SOLUTION: What value of c makes the polynomial below a perfect square? 4x^2+12x+c

SOLUTION: What value of c makes the polynomial below a perfect square? 4x^2+12x+c

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Question 621893: What value of c makes the polynomial below a perfect square?
4x^2+12x+c
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
is the square of

If
no matter what value x takes, it must be
<---> and then

So
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