SOLUTION: Evaluate b^2-3ab when a=3 and b=-2.

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Question 67996: Evaluate b^2-3ab when a=3 and b=-2.
Answer by tutorcecilia(2105) About Me  (Show Source):
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b^2-3ab [substitute a=3 and b=-2]
(-2)^2-3(3)(-2) [solve]
4-(9)(-2)
4-(-18
4+18
22