Answer:
5 x^2 - x + 6
Explanation:
- (x^2 + 2) + 6 x^2 - x + 8
- x^2 - 2 + 6 x^2 - x + 8
(6 x^2 - x^2) - x + (8 - 2)
5 x^2 - x + (8 - 2)
= 5 x^2 - x + 6
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