Answer:
12x^2+2x+7
Explanation:
Distribute the Negative Sign:
=4x^2+6+7+−1(−8x^2−2x+6)
=4x^2+6+7+−1(−8x^2)+−1(−2x)+(−1)(6)
=4x^2+6+7+8x^2+2x+−6
Combine Like Terms:
=(4x^2+8x^2)+(2x)+(6+7+−6)
=12x^2+2x+7
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