x^3-18x^2+81x=0

Simple and best practice solution for x^3-18x^2+81x=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^3-18x^2+81x=0 equation:


Simplifying
x3 + -18x2 + 81x = 0

Reorder the terms:
81x + -18x2 + x3 = 0

Solving
81x + -18x2 + x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(81 + -18x + x2) = 0

Factor a trinomial.
x((9 + -1x)(9 + -1x)) = 0

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Subproblem 3

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {0, 9, 9}

See similar equations:

| 16x-8=0 | | 10+9=-9 | | 143-(6x+4)=6(x+8)+x | | 8x-(4x+6)=2 | | 18t+3=24 | | 2x^2+23x+54=-9 | | 3(4+c)=2(c-5) | | -5d-24=-4(d-6)+2d | | 2.1666666667+x=6 | | 49-19=5(x-8) | | 5y=-24 | | -7(x+4)-12=20+3 | | 13x+7=23 | | 2x^2-50x+312=0 | | 8-3x=15+4x | | 16x^2-24x=0 | | n^2-4=11n | | -3y-12=6y+42 | | 5+-8=3t+12 | | w^2-3w-10=0 | | 5+8=3t+12 | | 125x^3+8=0 | | 3x^2+13=88 | | 3y+2=-10 | | x^4+x^3+27x+27=0 | | 12z=6z-3+5z | | x-8.8=-5.7 | | 8x+16=45 | | -8t^2+2t+21=0 | | x^2+6x+9=54 | | 12x=30x-80 | | 1w(2w-6)-108=0 |

Equations solver categories