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February 1, 2015

February 1, 2015

Posted by **Geli** on Thursday, May 16, 2013 at 9:20pm.

p.s. its suppose to be -4xsquared=5x+9

- algebra -
**Henry**, Friday, May 17, 2013 at 8:41pm-4x^2 = 5x + 9

4x^2 + 5x + 9 = 0

Use Quadratic Formula:

X = -5 +- (sqrt(5^2-4*4*9))/2*4

X = (-5 +- sqrt(-119))/8

X = (-5 +- 10.91i)/8

X = -0.625+1.36i, and -0.625-1.36i.

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