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OpenStudy (anonymous):
Simplify. (4x2 + 7x - 5) - (3x2 - 2x - 4) A. x2 + 9x - 1 B. -x2 + 5x + 1 C. -x2 - 9x - 9 D. 7x2 + 5x - 9
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OpenStudy (anonymous):
A
OpenStudy (candyme):
\[(4x^2+7x-5)-(3x^2-2x-4)\]\[4x^2+7x-5-3x^2+2x+4\]\[x^2+9x-1\] So, the answer is A
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