Question

(2s+3t)^2

Answer 1

(a+b)^2 = a^2 + 2ab + b^2

Answer 2

http://www.wolframalpha.com/input/?i=%282s%2B3t%29%5E2

Answer 3

4s^2+12st+9t^2

Answer 4

wolfram alpha is helpful for some stuff...but I think everyone should try to understand binomial expansion...it will really help later on in life.

Answer 5

nice!

Answer 6

I'm already there...later on in life, that is:)