SOLUTION: Evaluate b^2 – 2bc + c^2 if b=4 and c=-1. Please help. Thank-you

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Question 106450: Evaluate b^2 – 2bc + c^2 if b=4 and c=-1. Please help. Thank-you
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!
Just plug in the numbers, do the arithmetic, and go.

b%5E2-2bc%2Bc%5E2

%284%29%5E2-2%284%29%28-1%29%2B%28-1%29%5E2

16+-+%28-8%29+%2B+1=25

Just remember to be careful about the signs when you do the arithmetic.