add the like terms: -3ab+-10a+-8a
-10a and -8a are like terms, but -3ab is not equivalent. With the two a terms, we have:-10a-8aa(-10-8)-18aWe then add in the other term (-3ab) for a final result of -3ab+-18a. This can be factored alternatively as -3a(b+6).
Check below! :D Answer is -3ab-18a.
