4=2-x*x

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Solution for 4=2-x*x equation: 



4=2-x*x

We move all terms to the left:

4-(2-x*x)=0

We add all the numbers together, and all the variables

-(-x*x+2)+4=0

We get rid of parentheses

x*x-2+4=0

We add all the numbers together, and all the variables

x*x+2=0

Wy multiply elements

x^2+2=0

a = 1; b = 0; c = +2;
Δ = b2-4ac
Δ = 02-4·1·2
Δ = -8
Delta is less than zero, so there is no solution for the equation

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