SOLUTION: Which value must be added to the expression x2 + 12x to make it a perfect-square trinomial?

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Question 1023151: Which value must be added to the expression x2 + 12x to make it a perfect-square trinomial?
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
The value required to be added to
x^2 + 12x is found by:-
Halving the 12 = 6
then squaring the 6 = 36
x^2 + 12x + 36
(x + 6)^2
Hope this helps :-)