You can
put this solution on YOUR website!I'm not at all sure what your problem is. First off, however, you can't do anything within the parentheses, because they are NOT like terms. Do you mean:

. It still doesn't look exactly like most math problems look. Do you have parentheses anywhere else in this problem that I don't have in this? If indeed this is the case, then let's multiply the

times the

to get

.
Next take the

times the remaining factor

.
If this is NOT the correct statement of your problem, then resubmit the problem and someone will take a look at it for you!
R^2 at SCC