X^2 + 20 = -9x

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X^2 + 20 = -9x

I assume you mean x^2 + 20 = -9x, x^2 + 9 x + 20 = (x+4)(x+5), thus the roots are: x1 = -4, x2= -5.

Expert answered|eturker|Points 1429|

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Asked 2/5/2012 9:38:55 AM

Updated 8/28/2014 12:07:31 AM

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This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [8/28/2014 12:07:31 AM]

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