Remainder theorem
Last attempts:Let $f(x)=x^{3} -5x^{2} -7x + k$. When dividing $f(x)$ by $x -1$, the remainder is $-12$. What is the value of $k$?
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Let $f(x)=x^{3} -5x^{2} -7x + k$. When dividing $f(x)$ by $x -1$, the remainder is $-12$. What is the value of $k$?
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