SOLUTION: Is the following trinomial a perfect square? x2 – 4x + 4

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Question 119651: Is the following trinomial a perfect square?
x2 – 4x + 4
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
yes __ half of the coefficient of the x term (the "b") is -2 __ squaring it gives 4 (the "c")

x2–4x+4 factors into (x-2)(x-2)