Asked by Labz

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