1/2=-2*x2

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Solution for 1/2=-2*x2 equation: 



1/2=-2x^2

We move all terms to the left:

1/2-(-2x^2)=0

We get rid of parentheses

2x^2+1/2=0

We multiply all the terms by the denominator


2x^2*2+1=0

Wy multiply elements

4x^2+1=0

a = 4; b = 0; c = +1;
Δ = b2-4ac
Δ = 02-4·4·1
Δ = -16
Delta is less than zero, so there is no solution for the equation

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