x2 + x + 1/4
x2 + 2x + 1
x2 + 4x + 4
In each case, the number on the right is one-half the number in the middle, squared.
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A trinomial is perfect square if it can be factored into the form
No.
It can be factored as the SQUARE OF A BINOMIAL
A trinomial is perfect square if it can be factored into the form (a+b)2 So a2 +2ab+b2 would work.
perfect trinomial square?? it has the form: a2 + 2ab + b2