SOLUTION: if a=1 b=2 c=2 work out 2b-3ac

Algebra ->  Equations -> SOLUTION: if a=1 b=2 c=2 work out 2b-3ac      Log On


   

Question 1172872: if a=1 b=2 c=2
work out
2b-3ac
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
This is 2(2)-3(1)(2)
=4-6
= -2