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OpenStudy (anonymous):
Solve for .
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OpenStudy (anonymous):
|dw:1351798870130:dw|
OpenStudy (anonymous):
solve for u
hartnn (hartnn):
bring everything on one side of = sign
OpenStudy (anonymous):
how??
hartnn (hartnn):
add 13u+6 on both sides
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hartnn (hartnn):
\(5u^2+13u+6=0\) ok? can u factor this quadratic ?
OpenStudy (anonymous):
no
hartnn (hartnn):
split the middle term as \(5u^2+10u+3u+6=0 \\ 5u(u+2)+3(u+2)=0\) can u solve further?
OpenStudy (anonymous):
no please help
hartnn (hartnn):
\((5u+3)(u+2)=0 \\5u+3=0 \quad or \quad u+2=0 \\u=-3/5,-2\) got this ?
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OpenStudy (anonymous):
|dw:1351799622384:dw| is this right
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