x(2)+x+53=4-13x

Solution for x(2)+x+53=4-13x equation:

x(2)+x+53=4-13x

We move all terms to the left:

x(2)+x+53-(4-13x)=0

We add all the numbers together, and all the variables

x2+x-(-13x+4)+53=0

We add all the numbers together, and all the variables

x^2+x-(-13x+4)+53=0

We get rid of parentheses

x^2+x+13x-4+53=0

We add all the numbers together, and all the variables

x^2+14x+49=0

a = 1; b = 14; c = +49;
Δ = b2-4ac
Δ = 142-4·1·49
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-14}{2}=-7$