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OpenStudy (anonymous):
Use the quadratic formula to solve the quadratic equation x^2 − 8x − 4 = 0.
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OpenStudy (anonymous):
do you know what the quadratic formula is?
OpenStudy (anonymous):
i know what it is but i havent done it in so long so i forgot it.
OpenStudy (anonymous):
\[x= \frac{-b \pm \sqrt{b^2-4ac}}{2a} \]
OpenStudy (anonymous):
do you know how to use it?
OpenStudy (anonymous):
yes and thank you!
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OpenStudy (anonymous):
no problem
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