10. (x² – 9) – (-2x² + 5x - 3) 11. (5 – 6d – d?) – (-4d - d2) 12. (-4x + 7) – (3x - 7)

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
Section9.4: The Addition-or-subtraction Method
Problem 3OE
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Directions: Subtract the following polynomials
10.
(x² – 9) – (-2x² + 5x - 3)
11.
(5 – 6d – d?) – (-4d – d²)
12.
(-4x + 7) – (3x – 7)
Transcribed Image Text:10. (x² – 9) – (-2x² + 5x - 3) 11. (5 – 6d – d?) – (-4d – d²) 12. (-4x + 7) – (3x – 7)
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