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August 28, 2014

August 28, 2014

Posted by **Jean** on Friday, October 30, 2009 at 2:13pm.

- Math 209 -
**Reiny**, Friday, October 30, 2009 at 2:59pmI will assume you meant

solve

3x^2 + 6x - 105 = 0

divide by 3

x^2 + 2x - 35 = 0

(x+7)(x-5) = 0

x = -7 or x = 5

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