Answer:
I assume you have to simplify the expressions.
-5k^3-6k^2-k+1 is the answer.
Explanation:
-5k^3-6k^2-k+1
rewrite without parentheses
-5k^3-6k+1-6k^2+5k
group like terms
-5k^3+1-6k^2+(-6k+5k)
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