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OpenStudy (anonymous):
Is this trinomial a trinomial square? m^2+4m-4
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OpenStudy (mosaic):
Complete the square and see if it is a perfect square.
OpenStudy (anonymous):
And exactly how do I do that?
OpenStudy (mosaic):
m^2+4m-4 = (m+2)^2 - 2^2 - 4 = (m+2)^2 - 8. Therefore, it is not a perfect square.
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