that's three in a row.
just an expression, with no question.
I don't mind helping to find answers, but I resent having to provide the questions as well.
If you just want to rearrange things, recall that (x^2-y^2) = (x-y)(x+y)
Now let x = 3a and y = 2b
9a^2-4b^2-3a+2b
1 answer