How do you find the remainder when $f(x)=x^3+5x^2-12x+14; x-7$ ?

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Answer 1 · 2018-06-26T06:41:37

See explanation.

To find a reminder of a quotient $(P(x))/(x-a)$ you have to calculate $P(a)$

$P(7)=7^3+5*7^2-12*7+14=343+245-84+14=208$

Answer:

The reminder is $208$ .

How do you find the remainder when f(x)=x^3+5x^2-12x+14; x-7f(x)=x^3+5x^2-12x+14; x-7?