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OpenStudy (anonymous):
x^2-7x-1/7=0 solve
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OpenStudy (saifoo.khan):
7x^2 - 49x - 1 = 0
OpenStudy (saifoo.khan):
use quadratic formula to solve.
OpenStudy (anonymous):
saifoo sir uhm are u a mathematician?
OpenStudy (saifoo.khan):
\[x = \frac{-b \pm \sqrt{b^2-4ac} }{2a}\]
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