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Mathematics 8 Online
OpenStudy (anonymous):

Use quadratic formula. x^2 + 3 = -4x

OpenStudy (anonymous):

the quadratic formula is only applicable for the form \[ax^2 +bx+c=0\] the quadratic formula is \[x= \frac{-b \pm \sqrt{b^2-4ac}}{2a}\]

OpenStudy (precal):

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