9514 1404 393
Answer:
-22
Step-by-step explanation:
The remainder theorem tells you the remainder will be f(-3), where -3 is the value of x that makes the binomial factor equal to zero.
f(-3) = (-3)^3 +5 = -27 +5 = -22
The remainder when f(x) is divided by x+3 is -22.
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The attachment shows long division, with a remainder of -22.