SOLUTION: i am having problems with a question it is 3a(2b-4c) --------- b(a-c) a=-4 b=5 c=-2 i have no idea if i remove the brackets if i change the - to + please help

Algebra ->  Functions -> SOLUTION: i am having problems with a question it is 3a(2b-4c) --------- b(a-c) a=-4 b=5 c=-2 i have no idea if i remove the brackets if i change the - to + please help      Log On


   



Question 29193: i am having problems with a question it is
3a(2b-4c)
---------
b(a-c)
a=-4 b=5 c=-2
i have no idea if i remove the brackets if i change the - to + please help

Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate:
3a%282b-4c%29%2Fb%28a-c%29 if a = -4, b = 5, c = -2
%283%28-4%29%282%285%29-4%28-2%29%29%29%2F5%28%28-4%29-%28-2%29%29 = %28-12%2810%2B8%29%29%2F5%28-4%2B2%29 = %28-12%2818%29%29%2F5%28-2%29 = %28-216%29%2F%28-10%29+=+21.6