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Mathematics 18 Online
OpenStudy (anonymous):

x^2+2x-4=0 Solve

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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