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OpenStudy (anonymous):
Solve. 2x^2 + x = 15.
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OpenStudy (jlastino):
subtract 15 from both sides. You get a quadratic equation. Try to solve it using factoring, if all else fails, use the quadratic equation
OpenStudy (anonymous):
-3, 5/2
sam (.sam.):
2x^(2)+x=15 2x^(2)+x-15=0 (x+3)(2x-5)=0 x=-3,(5)/(2)
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