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4 February, 12:29

Factor 5x4 - 30x2 - 135.

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Answers (2)
  1. 4 February, 14:17
    0
    20 - 60 - 135

    95

    Step-by-step explanation:

    All you have to do is add/subtract the factors together
  2. 4 February, 14:49
    0
    5 (x - 3) (x + 3) (x^2 + 3)

    Step-by-step explanation:

    First take out the GCF of the 3 numbers (5) : -

    = 5 (x^4 - 6x^2 - 27)

    = 5 (x^2 - 9) (x^2 + 3)

    = 5 (x - 3) (x + 3) (x^2 + 3).
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