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MathMomma
Jun 29, 2010, 06:11 PM
I need to the solve the quadratic equation but I have no idea what I'm doing here!

4x^2=-8x
bluefairy_nebul
Jun 29, 2010, 06:37 PM
4x^2=-8x
=>x^2=-2x
=>x^2+2x=0
=>x(x+2)=0

so, X=0 , x=-2