SOLUTION: Is the following trinomial a perfect square? x^2 + 2x – 1

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Question 103587: Is the following trinomial a perfect square?
x^2 + 2x – 1

Answer by edjones(8007)   (Show Source): You can put this solution on YOUR website!
x^2 + 2x – 1
To find out if any quadratic equation is a perfect square take the middle term (+2), divide it in half (1) and square it (1).
1 should be the final term but the final term is (-1) so the equation is not a perfect square.
Ed

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