Question

Solve: (x+3y)^3

Answer 1

y = -x/3

Answer 2

How.

Answer 3

http://upload.wikimedia.org/math/0/5/9/05912cb66ba1a0cc47688071d5cdae8a.png

Answer 4

Thank joe

Answer 5

if your case, your 2nd term is just happen to be "2y", so use that for hte 2nd term expansion

Answer 6

the "x" and "y" notation there, just means, the 1st term, and 2nd term
whatever those terms might be
it happens that in your case they're "x" and "2y"