SOLUTION: Is the following trinomial a perfect square? x^2 + 18x + 81 I don't think it is. Thanks!

SOLUTION: Is the following trinomial a perfect square? x^2 + 18x + 81 I don't think it is. Thanks!

Algebra.Com

Question 42504: Is the following trinomial a perfect square?
x^2 + 18x + 81
I don't think it is.
Thanks!
Answer by Nate(3500) (Show Source): You can put this solution on YOUR website!
x^2 + 18x + 81
(x + 9)(x + 9)
(x + 9)^2
This trinomial is a perfect square.
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