SOLUTION: Is the following trinomial a perfect square? x2 + 18x + 81

SOLUTION: Is the following trinomial a perfect square? x2 + 18x + 81

Algebra.Com

Question 49473: Is the following trinomial a perfect square?
x2 + 18x + 81
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Is the following a perfect square?
Quite likely! Notice that the first term is a perfect square and the last term is a perfect square and the sum of 9+9 = 18 which is the coefficient of the x-term. So, if you factor the given expression, you'll get:
A perfect square!
RELATED QUESTIONS
Is the following trinomial a perfect square? Explain why or why not. x^2 � 18x + 81 (answered by rapaljer)

is the following trinomial a perfect square? x^2+18x+81 (answered by bucky)

Is the following trinomial a perfect square? x^2 + 18x + 81 (answered by scott8148)

Is the following trinomial a perfect square? why or why not... (answered by josmiceli)

Is the following trinomial a perfect square? x^2 + 18x + 81 I don't think it is.... (answered by Nate)

Is the following trinomial a perfect square? x2 � 2x �... (answered by stanbon)

Is the following trinomial a perfect square? Please explain your answer. x2 + 10x +... (answered by stanbon,funmath)

Is the following trinomial a perfect square? x2 – 4x + 4 (answered by scott8148)

Determine whether the following trinomial is a perfect square. x2 + 10x + 25 (answered by Cromlix)