Saturday
September 20, 2014

Homework Help: math

Posted by hailie on Monday, February 16, 2009 at 8:27pm.

I'm supposed to factor this:
3z^2-17z+24

I used the quadratic equation, but I'm not sure if that's what I was supposed to use to get the answer. This is how I worked it...

-(-17)+/-sqrt(-17^2-4(3)(24)
---------------------------
2(3)
17+/-sqrt(289-288)
------------------
6
17 sqrt (1) = 17
----------- ----
6 6

is 17/6 correct?

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