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OpenStudy (anonymous):
x^2+2x-4=0 Solve
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OpenStudy (anonymous):
(x+2)(x-2)=0
OpenStudy (anonymous):
That's all I had to do?
OpenStudy (anonymous):
no that first answer is wrong i think, u need to use the quadratic formula to solve this
OpenStudy (anonymous):
(x+2)(x-2) = x^2 -4
OpenStudy (anonymous):
Now I'm confused. Sorry
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