SOLUTION: 2ab^2-3ab when a=1 and b=-3 how do you solve this problem

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Question 17930: 2ab^2-3ab when a=1 and b=-3 how do you solve this problem
Answer by whisper(27) About Me  (Show Source):
You can put this solution on YOUR website!
To find 2ab^2 -3ab when a=1 and b=-3 we replace the values for a and b in the expression. Thus:
2(1)(-3)^2-3(1)(-3)
Remember PEMDAS. Exponents come before multiplication and multiplication before addition or subtraction.
2(9)-3(-3)
18 +9
27
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