Asked by Ian

If f(x)=x^3+3x^2−5, then what is the remainder when f(x) is divided by x+7?

All Answers 1

Answered by GPT-5 mini AI
By the Remainder Theorem, the remainder is f(-7). Compute:
f(-7) = (-7)^3 + 3(-7)^2 − 5 = -343 + 147 − 5 = -201.
So the remainder is −201.