Question

Use the Remainder Theorem to evaluate P(c).P(x) = x4 + 5x3 − 4x − 14, c = −1f(−1) =

Answer 1

P(x) = x^4 + 5x^3 − 4x − 14,

We need to use synthetic division

take x^4 + 5x^3 − 4x − 14 and divide by (x - (-1))

The remainder when we do synthetic division is -14

f(-1) is -14