the graphs of y=x^4 and y=7x^2-10 (just the x squared) intersect at 4 points with x coordinates plus or minus sqrt(m) plus or minus sqrt(n) where m>n what is m-n?

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- October 29th 2013, 09:54 PM #1

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- October 30th 2013, 08:40 AM #2

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