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OpenStudy (anonymous):
Solve: 4x2 + 12x = 0
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OpenStudy (saifoo.khan):
0 or -3
OpenStudy (anonymous):
\[4x^2+12x=0\] \[4x(x+3)=0\] \[x=0\] or \[x+3=0\] \[x=-3\]
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