(X-2)2=x2+1

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Solution for (X-2)2=x2+1 equation: 



(X-2)2=X2+1

We move all terms to the left:

(X-2)2-(X2+1)=0

We add all the numbers together, and all the variables

-(+X^2+1)+(X-2)2=0

We multiply parentheses

-(+X^2+1)+2X-4=0

We get rid of parentheses

-X^2+2X-1-4=0

We add all the numbers together, and all the variables

-1X^2+2X-5=0

a = -1; b = 2; c = -5;
Δ = b2-4ac
Δ = 22-4·(-1)·(-5)
Δ = -16
Delta is less than zero, so there is no solution for the equation

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