Sunday

April 20, 2014

April 20, 2014

Posted by **Lillie** on Sunday, August 22, 2010 at 1:16pm.

3x^2+5x-7 =0

I get stuck when I plug in and simplify them all... I got up to

-5+_ sqrt109 /5

- Math -
**bobpursley**, Sunday, August 22, 2010 at 1:21pmthe denominator is 2a, or 6, not 5

root 1: x=-5/6 +1/6 sqrt109

root 2: x=-5/6 - 1/6 sqrt 109

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