4/5x+2-12/15x-6=0

Solution for 4/5x+2-12/15x-6=0 equation:

4/5x+2-12/15x-6=0


Domain of the equation: 5x!=0

x!=0/5

x!=0

x∈R



Domain of the equation: 15x!=0

x!=0/15

x!=0

x∈R


We add all the numbers together, and all the variables

4/5x-12/15x-4=0

We calculate fractions


60x/75x^2+(-60x)/75x^2-4=0

We multiply all the terms by the denominator


60x+(-60x)-4*75x^2=0

Wy multiply elements

-300x^2+60x+(-60x)=0

We get rid of parentheses

-300x^2+60x-60x=0

We add all the numbers together, and all the variables

-300x^2=0

a = -300; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-300)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{-600}=0$