BillyB1 BillyB1

20-02-2017
Mathematics

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So we have been doing quadratic word problems and I have gotten to the point where the teacher said it needs to be factored. How do you factor this?

So we have been doing quadratic word problems and I have gotten to the point where the teacher said it needs to be factored How do you factor this class=

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Аноним Аноним

20-02-2017

w^2 + 7w - 144
you need 2 numbers whose product is -144 and whose sum is +7

that is 16 * -9
so the factors are
(w + 16)(w - 9)

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