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Factor completely: 3x^2-9x-30 plz help, I appreciate it !

 Dec 8, 2016
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Factor the following:
3 x^2 - 9 x - 30

Factor 3 out of 3 x^2 - 9 x - 30:
3 (x^2 - 3 x - 10)

The factors of -10 that sum to -3 are 2 and -5. So, x^2 - 3 x - 10 = (x + 2) (x - 5):
Answer: |3(x + 2) (x - 5)

 Dec 8, 2016

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