4x(2x-2)=6

Simple and best practice solution for 4x(2x-2)=6 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 4x(2x-2)=6 equation:



4x(2x-2)=6
We move all terms to the left:
4x(2x-2)-(6)=0
We multiply parentheses
8x^2-8x-6=0
a = 8; b = -8; c = -6;
Δ = b2-4ac
Δ = -82-4·8·(-6)
Δ = 256
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{256}=16$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-8)-16}{2*8}=\frac{-8}{16} =-1/2 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-8)+16}{2*8}=\frac{24}{16} =1+1/2 $

See similar equations:

| 3/8x-16=2 | | F(n)=(-1)n2n | | -2500=0.2x | | y/6+3.8=4.7 | | y=3/5(y-2) | | 3x(-16)+2x(16)=2 | | 9a=5a+4/3 | | 8t+4=3(t-1)+11 | | 2y-9=-7/3 | | 5p-9=6p+7 | | 4x(x-9)=-8 | | 4(3w-2=16w | | 3x-8=-4+6 | | x+(2x/25)=-12305.64 | | 3-2x/4=11 | | x+(x*0.4)=90000 | | 10=2^(x)-22 | | 138x-147=300 | | 147-138x=150 | | 6m/4=5 | | 9x^-16=20 | | 3(x+1)=2x+43 | | X=(2y+1)/(3y-1) | | 4y-12=30 | | 2s-17^2=225 | | (x-6)(3x-5)=0 | | 4/2+x=7/3-2x | | 50+10x=2(25+5x) | | 20-2x=14x+4 | | (x+3.7)(8.6-x)=0 | | (8+2x)(30-6x)=0 | | (3x-9)(5x-20)=0 |

Equations solver categories