Question

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

Answer 1

See explanation.

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`.