SOLUTION: please help me evaluate this problem. (ac+b)^3 a= -2 b = -1 c=2 and d = 1 fourth thank you --Tommy

Algebra ->  Expressions -> SOLUTION: please help me evaluate this problem. (ac+b)^3 a= -2 b = -1 c=2 and d = 1 fourth thank you --Tommy      Log On


   

Question 191673: please help me evaluate this problem.

(ac+b)^3

a= -2 b = -1 c=2 and d = 1 fourth

thank you

--Tommy
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%28ac%2Bb%29%5E3 Start with the given expression


%28%28-2%29%282%29%2B%28-1%29%29%5E3 Plug in a=-2, b=-1 and c=2


%28-4-1%29%5E3 Multiply


%28-5%29%5E3 Subtract


-125 Cube -5 to get -125


So %28ac%2Bb%29%5E3=-125 when a=-2, b=-1 and c=2