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OpenStudy (anonymous):
Subtract and simplify: (13x^2 + 2) – (4x^2 + 2x – 7) A. 9x^2 - 2x + 9 B. 9x^2 + 2x + 9 C. 9x^2 - 2x + 9 D. 17x^2 + 2x - 5
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