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5 April, 01:38

Factor 3x2 - 6x - 9 completely

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Answers (2)
  1. 5 April, 01:55
    0
    3 (x^2-2x-3)

    3 (x-3) (x+1)
  2. 5 April, 02:00
    0
    3 (x-3) (x+1)

    Step-by-step explanation:

    3x^2 - 6x - 9

    Factor out a 3

    3 (x^2 - 2x-3)

    Now we factor inside the parentheses

    What 2 numbers multiply to - 3 and add to - 2

    -3*1 = - 3

    -3+1 = - 2

    3 (x-3) (x+1)
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