SOLUTION: If a*b = b^2-2a, what is the value of (3*4)*5?
choose the answer and explain the reason to choose your response
15
23
-9
5
Algebra.Com
Question 483996: If a*b = b^2-2a, what is the value of (3*4)*5?
choose the answer and explain the reason to choose your response
15
23
-9
5
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
a*b = b^2-2a
3*4 = 4^2-2(3)
3*4 = 10
------------------------
(3*4)*5 = 10*5
a*b = b^2-2a
10*5 = 5^2-2(10)
10*5 = 5
So (3*4)*5 = 5
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