SOLUTION: I know that this doesn't go in this section of questions, but there wasn't a sectioin for trinomials...So if you can, please help me on this question.. Find the value of c tha

Question 6640: I know that this doesn't go in this section of questions, but there wasn't a sectioin for trinomials...So if you can, please help me on this question..
Find the value of c that makes each trinomial a perfect square.
x^2+4x+c
I'm not sure how to do this...its quite confusing. Thanks for helping me.
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
To find the value of c that makes a perfect square, just take the coefficient of the x-term (4), divide it by 2 and then square the result.

So, the trinomial becomes:
Now this factors into: or
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