(2x-18)(4x)=180

Simple and best practice solution for (2x-18)(4x)=180 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 (2x-18)(4x)=180 equation:



(2x-18)(4x)=180
We move all terms to the left:
(2x-18)(4x)-(180)=0
We multiply parentheses
8x^2-72x-180=0
a = 8; b = -72; c = -180;
Δ = b2-4ac
Δ = -722-4·8·(-180)
Δ = 10944
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:
$\sqrt{\Delta}=\sqrt{10944}=\sqrt{576*19}=\sqrt{576}*\sqrt{19}=24\sqrt{19}$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-72)-24\sqrt{19}}{2*8}=\frac{72-24\sqrt{19}}{16} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-72)+24\sqrt{19}}{2*8}=\frac{72+24\sqrt{19}}{16} $

See similar equations:

| 17+2x=6x+3 | | 4(2x-6)-2(x-3)=66 | | 93x=35 | | 92x=35 | | 91x=35 | | 1.5x+4=14.5 | | x+3x+(x+45)=180 | | x+14=-13-2x | | 17g+6+5g-10=80 | | 5x+6-8x=2 | | (-3x+3)/6-(15-9x)/4=1 | | 4a+13-a=9a-8 | | 86.8-0.05x=80.8 | | 214-h=47 | | 60=-d+235 | | 274=-v+64 | | (9x+9)=(95x+3) | | 274=v+64 | | 0.25=-3-0.75x | | 249-u=156 | | -12x+12=6+90-54x | | 16b-16=8(2b-2) | | 18=v/2+8 | | -6n+5+7n=3 | | 11x+20x-6+3=-5x+3-6 | | x/13=-20 | | 5X-8=15y+2 | | 28=w/5+16 | | 5v=-85 | | 73=4(1-4v)+5 | | 5x+6+x=3+2x+23 | | (d/12)+1200+(d/8)=1440 |

Equations solver categories