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In Exercises 69–-80, factor completely. 69. x* - 5x?y? + 4y* 70. x* - 10x?y² + 9y 71. (x + y) + 6(x + y) + 9 72. (x – y)? – 8(x – y) + 16 73. (x - y)* – 4(x – y) 74. (x + y) – 100(x + y) 75. 2x2 - 7ху?+ 3у 7xy + 3y 76. 3x? + 5xy? + 2y 77. х3 — у — х +у 78. x + y3 + x? – y? 79. xy + x3 - 8x'y – 8 80. xy – x + x*y° - 1 6,3

In Exercises 69–-80, factor completely. 69. x* - 5x?y? + 4y* 70. x* - 10x?y² + 9y 71. (x + y) + 6(x + y) + 9 72. (x – y)? – 8(x – y) + 16 73. (x - y)* – 4(x – y) 74. (x + y) – 100(x + y) 75. 2x2 - 7ху?+ 3у 7xy + 3y 76. 3x? + 5xy? + 2y 77. х3 — у — х +у 78. x + y3 + x? – y? 79. xy + x3 - 8x'y – 8 80. xy – x + x*y° - 1 6,3

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter5: Factoring Polynomials
Section5.6: Squares Of Binomials
Problem 57WE
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In Exercises 69–-80, factor completely. 69. x* - 5x?y? + 4y* 70. x* - 10x?y² + 9y 71. (x + y) + 6(x + y) + 9 72. (x – y)? – 8(x – y) + 16 73. (x - y)* – 4(x – y) 74. (x + y) – 100(x + y) 75. 2x2 - 7ху?+ 3у 7xy + 3y 76. 3x? + 5xy? + 2y 77. х3 — у — х +у 78. x + y3 + x? – y? 79. xy + x3 - 8x'y – 8 80. xy – x + x*y° - 1 6,3
Transcribed Image Text:In Exercises 69–-80, factor completely. 69. x* - 5x?y? + 4y* 70. x* - 10x?y² + 9y 71. (x + y) + 6(x + y) + 9 72. (x – y)? – 8(x – y) + 16 73. (x - y)* – 4(x – y) 74. (x + y) – 100(x + y) 75. 2x2 - 7ху?+ 3у 7xy + 3y 76. 3x? + 5xy? + 2y 77. х3 — у — х +у 78. x + y3 + x? – y? 79. xy + x3 - 8x'y – 8 80. xy – x + x*y° - 1 6,3
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