d7onovaRubydot d7onovaRubydot

24-05-2016
Mathematics

contestada

Find any real solutions for the following quadratic equations.

2 x2 - 8 = 0

x2 = -5

Respuesta :

24-05-2016

Hello,
I) 2(x²-4)=0
==>(x-2)(x+2)=0
==>x=2 or x=-2

II)
No real solutions.

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