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OpenStudy (anonymous):
solve x^2 -23x/5 -2 = 0 (quadratic equation)
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OpenStudy (anonymous):
\[x=\left( -b \pm \sqrt{b^2-4ac}\over2a \right)\]
OpenStudy (anonymous):
a=1, b=23/5, c=-2
OpenStudy (anonymous):
sorry. be = -23/5
OpenStudy (anonymous):
you should get x = 2/5 or x =-5
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