IanMcniven117 IanMcniven117

10-04-2017
Mathematics

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

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kkaasshh kkaasshh

10-04-2017

4(x-3)*(x+3)

" * " means times

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10-04-2017

Take out the GCF first.
4(x^2 - 9)
Now it is a difference of perfect squares.
4(x - 3)(x + 3)

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