SOLUTION: Evauuate b2 the second power -2bc+c to the second power if b=4 and c= -1

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Question 117447: Evauuate
b2 the second power -2bc+c to the second power
if b=4 and c= -1
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
b%5E2-2bc%2Bc Start with the given expression

4%5E2-2%284%29%28-1%29-1 Plug in b=4 and c= -1

16-2%284%29%28-1%29-1 Square 4


16%2B8-1 Multiply


23 Combine like terms


So b%5E2-2bc%2Bc=23 when b=4 and c= -1