l4ipear9tynidentle
l4ipear9tynidentle l4ipear9tynidentle
  • 26-04-2016
  • Mathematics
contestada

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 trinitye7
  • 26-04-2016
the correct answer is -308
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