SOLUTION: Evaluate b^2-2bc+c^2 if b=3 and c-2.

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Question 122174: Evaluate b^2-2bc+c^2 if b=3 and c-2.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
b%5E2-2bc%2Bc%5E2 Start with the given expression


%283%29%5E2-2%283%29%28-2%29%2B%28-2%29%5E2 Plug in b=3 and c=-2


9-2%283%29%28-2%29%2B4 Square 3 to get 9. Square -2 to get 4.


9%2B12%2B4 Multiply -2, 3 and -2 to get 12


25 Add


So b%5E2-2bc%2Bc%5E2=25 when b=3 and c=-2