meroc6hanFiynehanis meroc6hanFiynehanis

16-08-2016
Mathematics

contestada

find any real solutions for the following quadratic equations.

2 x2 - 8 = 0

x2 = -5

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nobillionaireNobley nobillionaireNobley

26-08-2016

2x^2 - 8 = 0
2x^2 = 8
x^2 = 8/2 = 4
x = sqrt(4) = 2 or -2

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