Answer
$-4x^3+4x^2+6x$
Work Step by Step
Add the polynomials by adding the similar terms (which are found in columns) to obtain:
$=-4x^3+(8x^2+(-4x^2))+(3x+3x)+(-2+2)
\\=-4x^3+4x^2+6x+0
\\=-4x^3+4x^2+6x$
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