SOLUTION: Factor this problem and check, Please a(a+1) - 3(a+1) I come up with 3a³+3a²-3a²+3a but can not get it to factor back on my check.

Algebra ->  Finance -> SOLUTION: Factor this problem and check, Please a(a+1) - 3(a+1) I come up with 3a³+3a²-3a²+3a but can not get it to factor back on my check.       Log On


   

Question 323334: Factor this problem and check, Please
a(a+1) - 3(a+1)
I come up with 3a³+3a²-3a²+3a but can not get it to factor back on my check.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
a(a+1) - 3(a+1)
= (a - 3)*(a + 1)