Question

2[2(x-1)-4]+5x - Algebra 2

I got 9x-12 as my answer and I'm relatively certain it is correct, but I could use a second opinion..

Answer 1

that's right

Answer 2

I got the exact same thing. If you want, you can also try this out to help you out:

http://www.wolframalpha.com/input/?i=2%5B2%28x-1%29-4%5D%2B5x

Then when you get a different answer, you can check to find out, that way you don't have to wait so long =)

Answer 3

Thanks! That's great!