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Mathematics
Algebra
Polynomial Operations
if m=5x^2+7x-4 and n=-3x^2-4x+5, than m-n equals
1 answer
m - n = (5x^2 + 7x - 4) - (-3x^2 - 4x + 5)
= 5x^2 + 7x - 4 + 3x^2 + 4x - 5
= 8x^2 + 11x - 9
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