caitlin12311 caitlin12311

16-02-2017
Mathematics

Answered

simplify:

(5x^2-9x+3) - (-4x^2+3x-5)

A9x^2 - 12x + 8

B9x^2 - 6x -2

Cx^2 - 6x - 2

D9x^2 - 12x - 2

Verified Answer :

jakesilverstein jakesilverstein

16-02-2017

Answer choice A
(5x^2-9x+3)-(-4x^2+3x-5)
Distribute the negative, (4x^2-3x+5)
Group Like terms 5x^2+4x^2=9x^2, -9x-3x=-12x, 3+5=8
9x^2-12x+8

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