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.
f(-7) = (-7)^3 + 3(-7)^2 − 5 = -343 + 147 − 5 = -201.
So the remainder is −201.
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