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7. (2x-8) (6x2-x- 15)2 (6x2 + 7x- 20)2 = 0 8. 4x (x2-81) (4x +x-3 (22-1lx+ 12)2 = 0 9. (2x2-5x-3) (9x2-24x + 16](2xe+13x+ 21) = 0 10. (x2 + 4x}2(3x2 + 17x-6)2(4x2 +9x-9)3 = 0

7. (2x-8) (6x2-x- 15)2 (6x2 + 7x- 20)2 = 0 8. 4x (x2-81) (4x +x-3 (22-1lx+ 12)2 = 0 9. (2x2-5x-3) (9x2-24x + 16](2xe+13x+ 21) = 0 10. (x2 + 4x}2(3x2 + 17x-6)2(4x2 +9x-9)3 = 0

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
Chapter9: Systems Of Linear Equations
Section9.5: Multiplication With The Addition-or-subtraction Method
Problem 31P
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Express each polynomial equation as product of prime factors then find the roots using the Zero-Product Property.
7. (2x2- 8) (6x2- x-15)2 (6x2 + 7x- 20)2 = 0 8. 4x (x2-81) (4x +x-3) (2x - 1Ix+ 12)2 = 0 9. (2x2 - 5x-3) (9x2-24x + 16) (2x? + 13x + 21) = 0 10. (x2 + 4x}2(3x + 17x- 6)2(4x2 + 9x-9)3 = 0
Transcribed Image Text:7. (2x2- 8) (6x2- x-15)2 (6x2 + 7x- 20)2 = 0 8. 4x (x2-81) (4x +x-3) (2x - 1Ix+ 12)2 = 0 9. (2x2 - 5x-3) (9x2-24x + 16) (2x? + 13x + 21) = 0 10. (x2 + 4x}2(3x + 17x- 6)2(4x2 + 9x-9)3 = 0
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