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OpenStudy (anonymous):
use the quadratic formula to solve, -2x^2+9x+3=0
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OpenStudy (helder_edwin):
given the equation \(ax^2+bx+c=0\) the quadratic formula says \[\large x=\frac{-b\pm\sqrt{b^2-4ac}}{2a} \]
OpenStudy (helder_edwin):
in your example a=?, b=?, and c=?
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