-2=4+a2

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Solution for -2=4+a2 equation: 



-2=4+a2

We move all terms to the left:

-2-(4+a2)=0

We add all the numbers together, and all the variables

-(+a^2+4)-2=0

We get rid of parentheses

-a^2-4-2=0

We add all the numbers together, and all the variables

-1a^2-6=0

a = -1; b = 0; c = -6;
Δ = b2-4ac
Δ = 02-4·(-1)·(-6)
Δ = -24
Delta is less than zero, so there is no solution for the equation

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