(x+1)(x+3)=x

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Solution for (x+1)(x+3)=x equation: 



(x+1)(x+3)=x

We move all terms to the left:

(x+1)(x+3)-(x)=0

We add all the numbers together, and all the variables

-1x+(x+1)(x+3)=0

We multiply parentheses ..

(+x^2+3x+x+3)-1x=0

We get rid of parentheses

x^2+3x+x-1x+3=0

We add all the numbers together, and all the variables

x^2+3x+3=0

a = 1; b = 3; c = +3;
Δ = b2-4ac
Δ = 32-4·1·3
Δ = -3
Delta is less than zero, so there is no solution for the equation

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