69–86 ▪ Operations with Algebraic Expressions Perform the indicated operations. 69. (2y – 7)(2y + 7) 70. (1 + x)(2 – x) – (3 – x)(3 + x) 71. x*(x – 2) + x(x – 2)° x + 2x? + 3x 72. 73. Va( Vĩ + 1)(2Vã – 1) 74. (2x + 1)³ x² - 2x – 3 75. 2x² + 5x + 3 76. x² + 2x – 3 3x + 12 77. x² + 8x + 16 x - 1 x² - 2x – 15 78. x² - 6x + 5 x? - x - 12 x² – 1 1 79. x- 1 80. x + 1 x? + 1 1 - + 3 81. (x – 2)² 1 82. x + 2 1 2 x² 4 x² - x 2 2 83. 84. + x + 1 3(x + h)² – 5(x + h) – (3x² – 5x) 85. h Vx + h – Vã 86. (rationalize the numerator) h
69–86 ▪ Operations with Algebraic Expressions Perform the indicated operations. 69. (2y – 7)(2y + 7) 70. (1 + x)(2 – x) – (3 – x)(3 + x) 71. x*(x – 2) + x(x – 2)° x + 2x? + 3x 72. 73. Va( Vĩ + 1)(2Vã – 1) 74. (2x + 1)³ x² - 2x – 3 75. 2x² + 5x + 3 76. x² + 2x – 3 3x + 12 77. x² + 8x + 16 x - 1 x² - 2x – 15 78. x² - 6x + 5 x? - x - 12 x² – 1 1 79. x- 1 80. x + 1 x? + 1 1 - + 3 81. (x – 2)² 1 82. x + 2 1 2 x² 4 x² - x 2 2 83. 84. + x + 1 3(x + h)² – 5(x + h) – (3x² – 5x) 85. h Vx + h – Vã 86. (rationalize the numerator) h
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
Related questions
Question
69–86 ■ Operations with Algebraic Expressions Perform the
indicated operations.
![69–86 ▪ Operations with Algebraic Expressions Perform the
indicated operations.
69. (2y – 7)(2y + 7)
70. (1 + x)(2 – x) – (3 – x)(3 + x)
71. x*(x – 2) + x(x – 2)°
x + 2x? + 3x
72.
73. Va( Vĩ + 1)(2Vã – 1) 74. (2x + 1)³
x² - 2x – 3
75.
2x² + 5x + 3
76.
x² + 2x – 3 3x + 12
77.
x² + 8x + 16 x - 1
x² - 2x – 15
78.
x² - 6x + 5
x? - x - 12
x² – 1
1
79. x-
1
80.
x + 1
x? + 1
1
- +
3
81.
(x – 2)²
1
82.
x + 2
1
2
x²
4
x² - x
2
2
83.
84.
+
x + 1
3(x + h)² – 5(x + h) – (3x² – 5x)
85.
h
Vx + h – Vã
86.
(rationalize the numerator)
h](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F08095758-f961-4eba-a3d1-2d644f2e906f%2F5803f877-5c87-4b6b-ad90-47cb94f34dd4%2Fozic4zj_processed.png&w=3840&q=75)
Transcribed Image Text:69–86 ▪ Operations with Algebraic Expressions Perform the
indicated operations.
69. (2y – 7)(2y + 7)
70. (1 + x)(2 – x) – (3 – x)(3 + x)
71. x*(x – 2) + x(x – 2)°
x + 2x? + 3x
72.
73. Va( Vĩ + 1)(2Vã – 1) 74. (2x + 1)³
x² - 2x – 3
75.
2x² + 5x + 3
76.
x² + 2x – 3 3x + 12
77.
x² + 8x + 16 x - 1
x² - 2x – 15
78.
x² - 6x + 5
x? - x - 12
x² – 1
1
79. x-
1
80.
x + 1
x? + 1
1
- +
3
81.
(x – 2)²
1
82.
x + 2
1
2
x²
4
x² - x
2
2
83.
84.
+
x + 1
3(x + h)² – 5(x + h) – (3x² – 5x)
85.
h
Vx + h – Vã
86.
(rationalize the numerator)
h
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