20x^3-3x^2-9x=0

Simple and best practice solution for 20x^3-3x^2-9x=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 20x^3-3x^2-9x=0 equation:


Simplifying
20x3 + -3x2 + -9x = 0

Reorder the terms:
-9x + -3x2 + 20x3 = 0

Solving
-9x + -3x2 + 20x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-9 + -3x + 20x2) = 0

Factor a trinomial.
x((-3 + -5x)(3 + -4x)) = 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 '(-3 + -5x)' equal to zero and attempt to solve: Simplifying -3 + -5x = 0 Solving -3 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -5x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -5x = 0 + 3 -5x = 0 + 3 Combine like terms: 0 + 3 = 3 -5x = 3 Divide each side by '-5'. x = -0.6 Simplifying x = -0.6

Subproblem 3

Set the factor '(3 + -4x)' equal to zero and attempt to solve: Simplifying 3 + -4x = 0 Solving 3 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4x = 0 + -3 -4x = 0 + -3 Combine like terms: 0 + -3 = -3 -4x = -3 Divide each side by '-4'. x = 0.75 Simplifying x = 0.75

Solution

x = {0, -0.6, 0.75}

See similar equations:

| 2(u+3v)=w-5u | | 9x-14=6x+17 | | h=7(3.14)m | | 0.2(x+50)= | | 4+3(x-1)=511 | | -15.6g+20=-16.8g+4.9+3.94 | | -15.6g+20=-16.8g*4.9+3.94 | | 4(2-5)=12 | | 9x^2-y^2=9 | | (10*x)-25=75 | | 2n-(n-5)=17 | | -4(p-2)-5p=-22-4p | | 4(3-5)=12 | | 2n+7n^3+7n^3-3n^4+7n^3-3n^4= | | 6x-8y=3 | | 3x^2+16y-12= | | 27x^3-129x=0 | | -9+x=-2(-2x-6) | | (2x+5)=11 | | -1+5(2x-3)=16x-2(3x+8) | | (x^2)-x=2 | | 16cos(2x)=4 | | .683x^2+6.671x-799372.381=0 | | 3n-7=m+3 | | 2x=3y^2 | | 9(x+1)=7x+17 | | y^2+39y+507=0 | | -5(2x-1)=12 | | 4(x+9)+2x+12=180 | | 18+4(-5r+20)=-12-18-12r | | y^3+39y^2+507y+2197=0 | | 3x/2+5x/3-13x/6-2/3=5/6 |

Equations solver categories