l4ipear9tynidentle l4ipear9tynidentle

26-04-2016
Mathematics

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Factor completely −7x2 + 14x − 21.

−1(x2 − 14x + 21)
−7x(x2 − 2x + 3)
−7(x2 + 2x − 3)
−7(x2 − 2x + 3)

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trinitye7 trinitye7

26-04-2016

the correct answer is -308

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