Answer:
42x^2
Step-by-step explanation:

Answer:

Step-by-step explanation:
i think
Answer:
-114
Step-by-step explanation:
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Answer:
The answer to your question is: k(-5) = -115
Step-by-step explanation:
Function k(n) = n³ - 3n find k(-5)
k(-5) = (-5)³ - 3(-5) substitution
k(-5) = -125 + 15 simplify
k(-5) = -115