SOLUTION: If the value of b is 7, then what is the value of the expression -3b^2+25?

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Question 174840: If the value of b is 7, then what is the value of the expression -3b^2+25?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
-3b%5E2%2B25 Start with the given expression.


-3%287%29%5E2%2B25 Plug in b=7.


-3%2849%29%2B25 Square 7 to get 49.


-147%2B25 Multiply -3 and 49 to get -147.


-122 Combine like terms.


So -3b%5E2%2B25=-122 if b=7