-7=x2-4

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Solution for -7=x2-4 equation: 



-7=x2-4

We move all terms to the left:

-7-(x2-4)=0

We add all the numbers together, and all the variables

-(+x^2-4)-7=0

We get rid of parentheses

-x^2+4-7=0

We add all the numbers together, and all the variables

-1x^2-3=0

a = -1; b = 0; c = -3;
Δ = b2-4ac
Δ = 02-4·(-1)·(-3)
Δ = -12
Delta is less than zero, so there is no solution for the equation

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