Answer
$-2x^{2}+2x-6$
Work Step by Step
We are given the polynomial $4x^{2}+2x-6x^{2}-6$.
We can use the distributive property to combine like terms.
$4x^{2}+2x-6x^{2}-6=(4-6)x^{2}+2x-6=(-2)x^{2}+2x-6=-2x^{2}+2x-6$
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