Answer:
x^2 +8x
Explanation:
6x^2 +10x -1 -5x^ -2x +1
x^2+8x
(6x^2+ 10x – 1) + (-5x^2– 2x + 1)
=6x^2-5x^2+10x-2x-1+1
=x^2+8x
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