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OpenStudy (anonymous):
z^2-2z-42=(2z+7)(z-6)
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Directrix (directrix):
Checking your factoring? Or, what are the instructions?
OpenStudy (anonymous):
It says Solve... it is factoring. I need the smallest answer for z, the middle answer for z and then the largest answer for z
Directrix (directrix):
This looks like a quadratic to me. If so, expect 2 roots. Maybe you need the coefficients. Let's see.
OpenStudy (anonymous):
Yea I am sure it is a quadratic... really its just a pain
OpenStudy (anonymous):
|dw:1330659883200:dw|
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