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OpenStudy (anonymous):
Find K such that f(x)=x^3-kx^2+kx+9 has the factor x-3. k=
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OpenStudy (anonymous):
replace \(x\) by 3, set the result equal to 0, solve for \(k\)
OpenStudy (anonymous):
\[f(3)=0=3^3-9k+3k+9\] etc
OpenStudy (anonymous):
thanks
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