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posted by Labz Monday, June 4, 2012 at 7:28pm.

Determine the real roots of the equation: (5x^2 + 20)(3x^2 - 48) = 0

the first factor 5x^2 + 20) = 0 will not yield any real roots, so 3x^2 - 48 = 0 x^2 = 16 x = ± 4

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