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OpenStudy (anonymous):
How do I solve this quadratic equation by using the quadratic formula: 2r^2 - r = 3
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OpenStudy (anonymous):
(r+1)(2r-3)=0 r=-1 or 3/2
OpenStudy (anonymous):
how?
OpenStudy (mertsj):
|dw:1326679607174:dw|
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