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what is the awnser to z2+2z-8 in foil method thanks

Guest May 9, 2017
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I think you want to factor this:

z2 + 2z - 8

 

What two numbers add to 2 and multiply to - 8? → 4 and -2

So..we can factor the expression like this:

(z + 4)(z - 2)

hectictar  May 9, 2017

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