Asked by Shadow👤

Find the sum in terms of n for Σ_k=1^n (3k^2-5k+7)

Not sure how to start working with this one
Answered by Damon
This might help:
https://brilliant.org/wiki/sum-of-n-n2-or-n3/
Answered by Damon
and thank you for the help with the Emily problem.
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