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Mathematics 8 Online
OpenStudy (anonymous):

(7x²+ 2x) - (3x + 8) + (- 4x²+ 2x - 4) = A. 3x²+ x - 12 B. 11x²+ 7x + 4 C. 3x²+ x + 4 D. 11x²- 7x - 12

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