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20 March, 15:59

Michelle is trying to factor the following to its most simplified form : 4x^2 - 36

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Answers (2)
  1. 20 March, 16:09
    0
    Take out the GCF first.

    4 (x^2 - 9)

    Now it is a difference of perfect squares.

    4 (x - 3) (x + 3)
  2. 20 March, 16:10
    0
    4 (x-3) * (x+3)

    " * " means times
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