x(x+2)=x-2(1)

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Solution for x(x+2)=x-2(1) equation: 



x(x+2)=x-2(1)

We move all terms to the left:

x(x+2)-(x-2(1))=0

We multiply parentheses

x^2+2x-(x-21)=0

We get rid of parentheses

x^2+2x-x+21=0

We add all the numbers together, and all the variables

x^2+x+21=0

a = 1; b = 1; c = +21;
Δ = b2-4ac
Δ = 12-4·1·21
Δ = -83
Delta is less than zero, so there is no solution for the equation

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