x(3x-18)=0

Simple and best practice solution for x(3x-18)=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 x(3x-18)=0 equation:



x(3x-18)=0
We multiply parentheses
3x^2-18x=0
a = 3; b = -18; c = 0;
Δ = b2-4ac
Δ = -182-4·3·0
Δ = 324
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{324}=18$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-18)-18}{2*3}=\frac{0}{6} =0 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-18)+18}{2*3}=\frac{36}{6} =6 $

See similar equations:

| 9-|2-1/3y|=0 | | 2y–-4=20 | | −3r+10=15r−8. | | 3s-11=s+-9 | | 5(6-m)=m+21 | | 5k+5=45 | | 7x–3(x–6)=30 | | 3+3(2-3k)=6(1-2k) | | 28=10+6a | | 7(8-5x)=-8x+29 | | 2.78x-3.67=1.18x+2.33 | | -14-6r=1-4r+3r | | -(n-4)-2=6+n | | –2/3(7-w)=-6 | | 4(-2-1/2x)=(x+2)(-3) | | 7w+2w=27 | | 2p-4p+9=2p-8-7 | | X3-6x2+x+2=0 | | 2(7-4x)+5(-6x-8)=50 | | 2.5-4f=10-25 | | 1 = n2– 1 | | -3(x-5)-4x=7-7(x+3) | | -4(1+8x)-5(7-x)=42 | | 8p=144 | | c+5.6=-11 | | 3d+-2=-8 | | C-24=-7c | | -6(1-7a)+3a=-141 | | -2(w+5)+9=-15 | | 1/6(6x+12)=9 | | 4v-2v=8 | | -4 = h-3+ -6 |

Equations solver categories