Factor completely
81a2 + 36a + 4
2 answers
(9a +2)^2
If you mean
81a^2 + 36a + 4 then it looks like a perfect square to me, and it factors to
(9a+2)(9a+2) or (9a+2)^2
81a^2 + 36a + 4 then it looks like a perfect square to me, and it factors to
(9a+2)(9a+2) or (9a+2)^2