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October 21, 2014

October 21, 2014

Posted by **anonymous** on Thursday, April 10, 2014 at 12:12am.

-x^2 - 4x + 5 = y

- math -
**Steve**, Thursday, April 10, 2014 at 12:29amy = -(x^2+4x-5)

y = -(x+5)(x-1)

Now, if a product of factors is zero, any of the factors can be zero.

So, which values of x make each of the factors zero?

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