9s^3-81s=0

Simple and best practice solution for 9s^3-81s=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 9s^3-81s=0 equation:


Simplifying
9s3 + -81s = 0

Reorder the terms:
-81s + 9s3 = 0

Solving
-81s + 9s3 = 0

Solving for variable 's'.

Factor out the Greatest Common Factor (GCF), '9s'.
9s(-9 + s2) = 0

Factor a difference between two squares.
9s((3 + s)(-3 + s)) = 0

Ignore the factor 9.

Subproblem 1

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

Subproblem 2

Set the factor '(3 + s)' equal to zero and attempt to solve: Simplifying 3 + s = 0 Solving 3 + s = 0 Move all terms containing s to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + s = 0 + -3 Combine like terms: 3 + -3 = 0 0 + s = 0 + -3 s = 0 + -3 Combine like terms: 0 + -3 = -3 s = -3 Simplifying s = -3

Subproblem 3

Set the factor '(-3 + s)' equal to zero and attempt to solve: Simplifying -3 + s = 0 Solving -3 + s = 0 Move all terms containing s to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + s = 0 + 3 Combine like terms: -3 + 3 = 0 0 + s = 0 + 3 s = 0 + 3 Combine like terms: 0 + 3 = 3 s = 3 Simplifying s = 3

Solution

s = {0, -3, 3}

See similar equations:

| f(x)=9x+10 | | 3n=38 | | 20x^3-16x^2-12x+8=0 | | 15x-35=0 | | 3(5x+4-2x)+5(3x-3)=45 | | -6(1-4a)=-6+4a | | 5x^4-8x^3-6x^2+8x+1=0 | | x+3+2x-1+110=180 | | 14-(6x-5)=6(x+3) | | .75s=-6 | | (x+3)=4x-7 | | -4(p+3)-3(1-p)=-19 | | 6x+7+3X+38=180 | | (5x+2)=8 | | -15=5(3x-10)-10x | | 93=6x | | 3(k+4)-6(-k-6)=39 | | 90+3=6x-3+3 | | 3x-10=x+7 | | 90=6x-3 | | 5(1+4x)-5x=65 | | 43.75x+37.50x=300 | | 1+13x=12x+9 | | -4(1-4b)+3=79 | | 26x-7(3x-2)=x+2 | | 8-11x=2(3x+8) | | 187=7x-6(3x-11) | | -2(2x-7)=6 | | 2(4+5v)+2v=-52 | | 100-x=75 | | -8+log(3)(-4x)=-6 | | -7w-8x+30=-15 |

Equations solver categories