6x(2x-7)=3x

Simple and best practice solution for 6x(2x-7)=3x 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 6x(2x-7)=3x equation:



6x(2x-7)=3x
We move all terms to the left:
6x(2x-7)-(3x)=0
We add all the numbers together, and all the variables
-3x+6x(2x-7)=0
We multiply parentheses
12x^2-3x-42x=0
We add all the numbers together, and all the variables
12x^2-45x=0
a = 12; b = -45; c = 0;
Δ = b2-4ac
Δ = -452-4·12·0
Δ = 2025
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{2025}=45$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-45)-45}{2*12}=\frac{0}{24} =0 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-45)+45}{2*12}=\frac{90}{24} =3+3/4 $

See similar equations:

| Y2-y=7 | | 5x-10=-x+20 | | (x-3)5-2=-1 | | 5-2x=x- | | -3+7x=-7x+137 | | x/11=2/12= | | 6x–17-2x+4+3x=8 | | 2k—6=0,3k+4 | | 12x=16/4 | | 20/25=a/5 | | 9y-5y=30 | | -8(x-3)+x-3=-x10 | | 45=a(30-0)(30-60) | | 45=a(-900) | | ✓3x+2x=132 | | 9(8x+4)=28(10-x)x2 | | 30x-x^2=144 | | 2×x=6 | | x+5=-x(3-x)+7 | | 14-5r/2=3 | | 9p-7=4p+3 | | 3x-4=1-2 | | 2(x-3)=x(13-x) | | 4(p+2)-5=7 | | -9(6x+7)=45 | | Xx.25=47000 | | 2x-9x-5+13=-5x-13+2+13 | | 1x×.25=47000 | | x×.25=47000 | | -.5+5=y | | (50t)^2+(60t)^2=300^2 | | 3y-7=62 |

Equations solver categories