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OpenStudy (anonymous):
Simplify. (2x − 5)(6x + 5) + 13
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OpenStudy (anonymous):
(2x − 5)(6x + 5) + 13 = 2x(6x + 5) -5(6x + 5) + 13 = 12x^2 + 10x - 30x - 25 + 13 = 12x^2 - 20x - 12
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