if a = 3 and b = -1 then 2a^2 -2ab+b^2
First you would rewrite it, Replacing the letters with the given numbers: 2(3)^2 -2(3)(-1)+(-1)^2
The answer is 25.Reason: Plug in the answer in the variables a and b. Solve like a regular order of operations.Hope this helps!!
