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OpenStudy (anonymous):
completing the square-- 3x^2+6x-5=0
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OpenStudy (anonymous):
\[=3(x ^{2}+2x)-5\] \[=3(x ^{2}+2x +1-1)-5\] \[=3(x+1)^{2}-3-5\] \[=3(x+1)^{2}-8\]
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