SOLUTION: Are these following trinomials a perfect square x^2 -2x + 1 and x^2 + 4x - 4 Thank You!

SOLUTION: Are these following trinomials a perfect square x^2 -2x + 1 and x^2 + 4x - 4 Thank You!

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Question 47912: Are these following trinomials a perfect square x^2 -2x + 1 and x^2 + 4x - 4

Thank You!

Answer by Nate(3500) (Show Source): You can put this solution on YOUR website!
x^2 - 2x + 1 = (x - 1)(x - 1)
This is a perfect square.
x^2 + 4x - 4
This is not a perfect square.
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