4x+8x=2x*3x

Solution for 4x+8x=2x*3x equation:

4x+8x=2x*3x

We move all terms to the left:

4x+8x-(2x*3x)=0

We add all the numbers together, and all the variables

4x+8x-(+2x*3x)=0

We add all the numbers together, and all the variables

12x-(+2x*3x)=0

We get rid of parentheses

12x-2x*3x=0

Wy multiply elements

-6x^2+12x=0

a = -6; b = 12; c = 0;
Δ = b2-4ac
Δ = 122-4·(-6)·0
Δ = 144
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{144}=12$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(12)-12}{2*-6}=\frac{-24}{-12}
=+2
$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(12)+12}{2*-6}=\frac{0}{-12}
=0
$