Problem 7.25TI: Simplify: 9x+14x+7+x2x+7 . Problem 7.26TI: Simplify: x2+8xx+5+15x+5 . Problem 7.27TI: Subtract: 4x211x+8x23x+23x2+x3x23x+2 . Problem 7.28TI: Subtract: 6x2x+20x2815x2+11x7x281 . Problem 7.29TI: Subtract: y25yy246y64y2 . Problem 7.30TI: Subtract: 2n2+8n1n21n27n11n2 . Problem 7.31TI: (a) Find the LCD for the expressions 2x2x12,1x216 (b) rewrite them as equivalent rational... Problem 7.32TI: (a) Find the LCD for the expressions 3xx23x+10,5x2+3x+2 (b) rewrite them as equivalent rational... Problem 7.33TI: Add: 2x2+5x+3 . Problem 7.34TI: Add: 4m+3+3m+4 . Problem 7.35TI: Add: 1m2m2+5mm2+3m+2 . Problem 7.36TI: Add: 2nn23n10+6n2+5n+6 . Problem 7.37TI: Subtract: 2xx241x+2 . Problem 7.38TI: Subtract: 3z+36zz29 . Problem 7.39TI: Subtract: 3x1x25x626x . Problem 7.40TI: Subtract: 2y2y2+2y8y12y . Problem 7.41TI: Subtract: 3b24b52b26b+5 . Problem 7.42TI: Subtract: 4x243x2x2 . Problem 7.43TI: Simplify: vv+1+3v16v21 . Problem 7.44TI: Simplify: 3ww+2+2w+717w+4w2+9w+14 . Problem 7.45TI: Find R(x)=f(x)g(x) where f(x)=x+1x+3 and g(x)=x+17x2x12 . Problem 7.46TI: Find R(x)=f(x)+g(x) where f(x)=x4x+3 and g(x)=4x+6x29 . Problem 75E: In the following exercises, add. 75. 215+715 Problem 76E: In the following exercises, add. 76. 724+1124 Problem 77E: In the following exercises, add. 77. 3c4c5+54c5 Problem 78E: In the following exercises, add. 78. 7m2m+n+42m+n Problem 79E: In the following exercises, add. 79. 2r22r1+15r82r1 Problem 80E: In the following exercises, add. 80. 3s23s2+13s103s2 Problem 81E: In the following exercises, add. 81. 2w2w216+8ww216 Problem 82E: In the following exercises, add. 82. 7x2x29+21xx29 Problem 83E: In the following exercises, subtract. 83. 9a23a7493a7 Problem 84E: In the following exercises, subtract. 84. 25b25b6365b6 Problem 85E: In the following exercises, subtract. 85. 3m26m3021m306m30 Problem 86E: In the following exercises, subtract. 86. 2n24n3218n164n32 Problem 87E: In the following exercises, subtract. 87. 6p2+3p+4p2+4p55p2+p+7p2+4p5 Problem 88E: In the following exercises, subtract. 88. 5q2+3q9q2+6q+84q2+9q+7q2+6q+8 Problem 89E: In the following exercises, subtract. 89. 5r2+7r33r2494r2+5r+30r249 Problem 90E: In the following exercises, subtract. 90. 7t2t4t2256t2+12t44t225 Problem 91E: In the following exercises, add or subtract. 91. 10v2v1+2v+412v Problem 92E: In the following exercises, add or subtract. 92. 20w5w2+5w+625w Problem 93E: In the following exercises, add or subtract. 93. 10x2+16x78x3+2x2+3x138x Problem 94E: In the following exercises, add or subtract. 94. 6y2+2y113y7+3y23y+1773y Problem 95E: In the following exercises, add or subtract. 95. z2+6zz2253z+2025z2 Problem 96E: In the following exercises, add or subtract. 96. a2+3aa293a279a2 Problem 97E: In the following exercises, add or subtract. 97. 2b2+30b13b2492b25b849b2 Problem 98E: In the following exercises, add or subtract. 98. c2+5c10c216c28c1016c2 Problem 99E: In the following exercises, (a) find the LCD for the given rational expressions (b) rewrite them as... Problem 100E: In the following exercises, (a) find the LCD for the given rational expressions (b) rewrite them as... Problem 101E: In the following exercises, (a) find the LCD for the given rational expressions (b) rewrite them as... Problem 102E: In the following exercises, (a) find the LCD for the given rational expressions (b) rewrite them as... Problem 103E: In the following exercises, (a) find the LCD for the given rational expressions (b) rewrite them as... Problem 104E: In the following exercises, (a) find the LCD for the given rational expressions (b) rewrite them as... Problem 105E: In the following exercises, (a) find the LCD for the given rational expressions (b) rewrite them as... Problem 106E: In the following exercises, (a) find the LCD for the given rational expressions (b) rewrite them as... Problem 107E: In the following exercises, perform the indicated operations. 107. 710x2y+415xy2 Problem 108E: In the following exercises, perform the indicated operations. 108. 112a3b2+59a2b3 Problem 109E: In the following exercises, perform the indicated operations. 109. 3r+4+2r5 Problem 110E: In the following exercises, perform the indicated operations. 110. 4s7+5s+3 Problem 111E: In the following exercises, perform the indicated operations. 111. 53w2+1w+1 Problem 112E: In the following exercises, perform the indicated operations. 112. 42x+5+2x1 Problem 113E: In the following exercises, perform the indicated operations. 113. 2yy+3+3y1 Problem 114E: In the following exercises, perform the indicated operations. 114. 3zz2+1z+5 Problem 115E: In the following exercises, perform the indicated operations. 115. 5ba2b2a2+2bb24 Problem 116E: In the following exercises, perform the indicated operations. 116. 4cd+3c+1d29 Problem 117E: In the following exercises, perform the indicated operations. 117. 3m3m3+5mm2+3m4 Problem 118E: In the following exercises, perform the indicated operations. 118. 84n+4+6n2n2 Problem 119E: In the following exercises, perform the indicated operations. 119. 3rr2+7r+6+9r2+4r+3 Problem 120E: In the following exercises, perform the indicated operations. 120. 2ss2+2s8+4s2+3s10 Problem 121E: In the following exercises, perform the indicated operations. 121. tt6t2t+6 Problem 122E: In the following exercises, perform the indicated operations. 122. x3x+6xx+3 Problem 123E: In the following exercises, perform the indicated operations. 123. 5aa+3a+2a+6 Problem 124E: In the following exercises, perform the indicated operations. 124. 3bb2b6b8 Problem 125E: In the following exercises, perform the indicated operations. 125. 6m+612mm236 Problem 126E: In the following exercises, perform the indicated operations. 126. 4n+48nn216 Problem 127E: In the following exercises, perform the indicated operations. 127. 9p17p24p21p+17p Problem 128E: In the following exercises, perform the indicated operations. 128. 7q+8q22q24q+24q Problem 129E: In the following exercises, perform the indicated operations. 129. 2r16r2+6r1652r Problem 130E: In the following exercises, perform the indicated operations. 130. 2t30t2+6t2723t Problem 131E: In the following exercises, perform the indicated operations. 131. 2x+710x1+3 Problem 132E: In the following exercises, perform the indicated operations. 132. 8y45y+26 Problem 133E: In the following exercises, perform the indicated operations. 133. 3x23x42x25x+4 Problem 134E: In the following exercises, perform the indicated operations. 134. 4x26x+53x27x+10 Problem 135E: In the following exercises, perform the indicated operations. 135. 5x2+8x94x2+10x+9 Problem 136E: In the following exercises, perform the indicated operations. 136. 32x2+5x+212x2+3x+1 Problem 137E: In the following exercises, perform the indicated operations. 137. 5aa2+9a2a+18a22a Problem 138E: In the following exercises, perform the indicated operations. 138. 2bb5+32b2b152b210b Problem 139E: In the following exercises, perform the indicated operations. 139. cc+2+5c211cc24 Problem 140E: In the following exercises, perform the indicated operations. 140. 6dd5+1d+47d5d2d20 Problem 141E: In the following exercises, perform the indicated operations. 141. 3dd+2+4dd+8d2+2d Problem 142E: In the following exercises, perform the indicated operations. 142. 2qq+5+3q313q+15q2+2q15 Problem 143E: In the following exercises, find (a) R(x)=f(x)+g(x)(b) R(x)=f(x)g(x). 143. f(x)=5x5x2+x6 and... Problem 144E: In the following exercises, find (a) R(x)=f(x)+g(x)(b) R(x)=f(x)g(x). 144. f(x)=4x24x2+x30 and... Problem 145E: In the following exercises, find (a) R(x)=f(x)+g(x)(b) R(x)=f(x)g(x). 145. f(x)=6xx264 and g(x)=3x8 Problem 146E: In the following exercises, find (a) R(x)=f(x)+g(x)(b) R(x)=f(x)g(x). 146. f(x)=5x+7 and... Problem 147E: Donald thinks that 3x+4x is 72x . Is Donald correct? Explain. Problem 148E: Explain how you find the Least Common Denominator of x2+5x+4 and x216 . Problem 149E: Felipe thinks 1x+1y is 2x+y . (a) Choose numerical values for x and y and evaluate 1x+1y . (b)... Problem 150E: Simplify the expression 4n2+6n+91n29 and explain all your steps. format_list_bulleted