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OpenStudy (anonymous):
Factor completely: −5k2 + 20k − 30 −1(5k2 − 20k + 30) −5(k2 − 4k + 6) −5k(k2 − 4k + 6) −5(k2 + 4k − 6)
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OpenStudy (anonymous):
-5(k^2 -4x +6)
OpenStudy (anonymous):
−5(k2 − 4k + 6) not 4x
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