Answer:
10x^2 - 9x
Explanation:
(10x^2 - 10x - 6) + (x + 6)
(10x^2) + (-10x + x) + (-6 + 6)
10x²-9x
To solve this, we will need to add LIKE terms. This will give us:
10x²-10x-6+x+6= 10x²-9x
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