Answer:
the answer is -7x^2- 14x
Explanation:
9x^2 - 6x
6x^3 - 6x^3 = 0
x^2 - (-8x^2) = x^2 + 8x^2 = 9x^2
-10x - (-4x) = -10x + 4x = -6x
Answer: 9x^2 - 6x
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