haydeng1 haydeng1

01-07-2017
Mathematics

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Subtract (2x^3+9x-8)-(4x^2-15x+7)

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martha1718 martha1718

01-07-2017

(2x^3+9x)-(4x^2-15x+7)
(8x+9x)-(16x-15x+7)
(17x)-(1x+7)
16x+7

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