Evaluate the given expression. Take 2 =[123] and c= [X²] B C= r 5 A -1 -1 0 0 A - B + C 0 -1 -1 -2 -1

Q: Evaluate if x=4,8,3,-2 ∑x ∑x+1 ∑(x+1) 3∑x - 4

A: Given that  if x=4,8,3,-2

Q: Multiple and simplify    6y²/14 xy      •    7xy/4x²

A: Multiplication of ( 6y²/14 xy ) and ( 7xy/4x² ). ( 6y²/14 xy ) × ( 7xy/4x² ) = {(6y²) × ( 7xy)}/…

Q: Let B = [-1 1 4 -3] Find -4B

A: Solution

Q: - 2x' + x - x- 2 Given A .4 +x which among A, B, C and D is zero? 3 x+1 A. A В. В С. С D. D

A: Option B i.e  B=0.

Q: Find x, and x2- 30 X2 - 46

A:

Q: Identify the constants in the following expression. 3x+7+4y-7z+9+2x-5

A: Please refer to the solution in next step.

Q: identify the values of the variable √/4-x

A:

Q: Develop the following expressions. (3⋅b+7)^2

A: The given expression is (3*b+7)^2.

Q: x? – 5x – 15 2x + 5 Add: x2 + 5x + 6 x? + 5x + 6

A: To add two rational expressions, the denominator of both the numbers should be same. If the…

Q: Simplify the following expressions 2-x x+4 3x-1 x+4

A:

Q: x2 + 6x + 5 x2 – 16 Simplify: x2 + 5x + 4 x2 + 3x – 10

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Do the indicated operation and simplify the answer.

A:

Q: Simplify.Express answers as positive exponents.

A:

Q: 10. b²+b-30 3b²+18b 11. 3x² +5x-2 7x²+12x-4 12. 3b²+26b-9 5b²+40b-45

A:

Q: Simplify each algebraic expression. (A) 7x³y +9+ 6xy - 7xy-21-7x'y

A: For the given expression 7x2y+9+6xy-7xy-21-7x2y  is  -xy-12

Q: If B =k- S-1and C--2k, ad an expression that equals 20 + 3C in standard form.

A: Given that B=k-5k2-1,C=k-2k2.

Q: Convert the infix expression A + B . (C + D ) – E / F . G + H / K to postfix notation.

A: Given expression: A+B.C+D-E/F.G+H/K In postfix notation operators follows their operands.

Q: V3n² – Vn 4 5n° – V5n

A: Firstly multiply and divide by denominator term and expand and solve.

Q: x? + 2x – 2 + x? + 3x – 10 5x + 12 Add: x? + 3x – 10

A:

Q: A. You have been knitting a scarf that is x feet long. Then 1/4 of the scarf is unraveled (removed)…

A: Given, Scarf is x feet long

Q: 18-7х b. 5-6х 5x+9y 7у-12х 3+11х 2. 5х-2у 5х-2у -6х+5

A:

Q: Divide the following expressions   1. 3x²y/ xy   2. 6x⁵y⁴/ 2xy³   3. x²-2x-3/ x-1   4. x²+5x+6/ x+2

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…