15x-6x+5xsquared -6x cubed - 2x squared +2(6x-2) please help me!!! (Show work)

asked Dec 9, 2019 27.7k views

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5 votes

$15x-6x+5x^2-6x^3-2x^2+2(6x-2)\\\\=15x-6x+5x^2-6x^3-2x^2+12x-4\\\\=(-6x^3)+(5x^2-2x^2)+(15x-6x+12x)+(-4)\\\\=-6x^3+3x^2+21x-4$

Amran answered Dec 14, 2019

by Amran

5.4k points

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