SOLUTION: which value of C makes the expression x^2 + 18X +c perfect square trinomial. 9,12,18,36, or 81

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Question 965650: which value of C makes the expression x^2 + 18X +c perfect square trinomial.
9,12,18,36, or 81
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
which value of C makes the expression x^2 + 18X +c perfect square trinomial.
9,12,18,36, or 81
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c = (b/2a)^2