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4x-2x^2+4x^3 from 4x^3+x-3x^2

-( 4x-2x^2+4x^3)
then changing signs and rearranging terms.

answer after ADDING the above..
-3x - x^2
so for the answer isn't it the same as what i had

-x^2-3x doesnt' x^2 goes first then -3x

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