In Exercises 69-82, multiply using the rule for the product of the sum and difference of two terms. 69. (х + 4)(х- 4) 70. (х + 5)(х- 5) 71. (5х + 3)(5х — 3) 72. (3х + 2)(х — 2) 73. (4х + 7y)(4х — 7у) 74. (8х + 7y)(&х — 7у) 75. (у + 2)(у - 2) 76. (уЗ + 3)(у3 — 3) 77. (1 - у)(1 + у') 78. (2 — у')(2 +у') 79. (7ху? — 10у)(7ху? + 10y) 80. (Зху? — 4у)(Зху? + 4у) 81. (5а" — 7)(5а" + 7) 82. (10Ь" — 3)(10Ь" + 3)

In Exercises 69-82, multiply using the rule for the product of the sum and difference of two terms. 69. (х + 4)(х- 4) 70. (х + 5)(х- 5) 71. (5х + 3)(5х — 3) 72. (3х + 2)(х — 2) 73. (4х + 7y)(4х — 7у) 74. (8х + 7y)(&х — 7у) 75. (у + 2)(у - 2) 76. (уЗ + 3)(у3 — 3) 77. (1 - у)(1 + у') 78. (2 — у')(2 +у') 79. (7ху? — 10у)(7ху? + 10y) 80. (Зху? — 4у)(Зху? + 4у) 81. (5а" — 7)(5а" + 7) 82. (10Ь" — 3)(10Ь" + 3)

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,...

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