liteamoeaki liteamoeaki

06-06-2017
Mathematics

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A rectangle with an area of x2 – 4x – 12 square units is represented by the model. What side lengths should be used to model the rectangle?

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apologiabiology apologiabiology

06-06-2017

we would factor this
what 2 numbers multiply to get -12 and add to get -4?
-6 and 2
(x-6)(x+2)

the side lengths are (x-6) and (x+2)

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