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

Simple and best practice solution for 3(x-2)(2x+4)=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3(x-2)(2x+4)=0 equation:



3(x-2)(2x+4)=0
We multiply parentheses ..
3(+2x^2+4x-4x-8)=0
We multiply parentheses
6x^2+12x-12x-24=0
We add all the numbers together, and all the variables
6x^2-24=0
a = 6; b = 0; c = -24;
Δ = b2-4ac
Δ = 02-4·6·(-24)
Δ = 576
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{576}=24$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-24}{2*6}=\frac{-24}{12} =-2 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+24}{2*6}=\frac{24}{12} =2 $

See similar equations:

| 50=8(m+4) | | P(x)=3(x-2)(2x+4) | | h+15/2=4 | | 5=6z+17 | | 2x+2+3x-3=2 | | 4n-54=n | | 54-4n=n | | –42=3m | | x×x×x-4×10=24 | | 5-(n-1)=-16 | | x-24x-76x=0 | | –5b=55 | | 18−(9r+7)=−16 | | 3(x+1)+7(x+3)=74 | | x=x12-250 | | 10=2w−2 | | X(x+12)=50 | | x^2-8x=38 | | (4x^2-36)^2=64 | | 1.5a+8-0.3a=-7 | | x/12=5x+9 | | 12/x=5x+9 | | 5+4x+2=-4x+21+x | | 1.5a+8-0.3a=7 | | 2(3x+3+2x)=146 | | 3+2x+1=-3x+16+x | | x2-1=-50 | | 15/24=d/144 | | 5x*x+x-18=0 | | 4x2=-64 | | 14x-5=17x-1 | | (x+9)²=121 |

Equations solver categories