Mathematics, 27.06.2019 22:40 stricklandashley43

Which expression is equivalent to (5x2 + 2x + 1) + (6x2 − 3x + 9) -a. -3x2 + 11x − 3 b. 11x2 − x + 10 c. 4x2 + 27x − 28 d. -3x2 + 11x + 31

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Which expression is equivalent to (5x2 + 2x + 1) + (6x2 − 3x + 9) -a. -3x2 + 11x − 3 b. 11x2 − x + 1...

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