24=2x*X

Solution for 24=2x*X equation:

24=2x*x

We move all terms to the left:

24-(2x*x)=0

We add all the numbers together, and all the variables

-(+2x*x)+24=0

We get rid of parentheses

-2x*x+24=0

Wy multiply elements

-2x^2+24=0

a = -2; b = 0; c = +24;
Δ = b2-4ac
Δ = 02-4·(-2)·24
Δ = 192
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

The end solution:

$\sqrt{\Delta}=\sqrt{192}=\sqrt{64*3}=\sqrt{64}*\sqrt{3}=8\sqrt{3}$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-8\sqrt{3}}{2*-2}=\frac{0-8\sqrt{3}}{-4}
=-\frac{8\sqrt{3}}{-4}
=-\frac{2\sqrt{3}}{-1}
$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+8\sqrt{3}}{2*-2}=\frac{0+8\sqrt{3}}{-4}
=\frac{8\sqrt{3}}{-4}
=\frac{2\sqrt{3}}{-1}
$