Find the sum
(2x^2+5x-7)+(3-4x^2+6x)
A. -2x^2+11x-4 B. 2x^2+5x-7
C. 2x^2+3x+1
D. -2x^2-11x-4
Just gather the 'like ' terms (or 'alike' terms)
2x^2 - 4x^2 + 5x + 6x + -7+3
-2x2 + 11x - 4
Rewrite the second polynomial as
-4x^2 + 6x + 3
So we have
2x^2 + 5x - 7
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Can you finish it ????