20x^3-4x^2-72x=

Simple and best practice solution for 20x^3-4x^2-72x= 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^3-4x^2-72x= equation:


Simplifying
20x3 + -4x2 + -72x = 0

Reorder the terms:
-72x + -4x2 + 20x3 = 0

Solving
-72x + -4x2 + 20x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4x'.
4x(-18 + -1x + 5x2) = 0

Factor a trinomial.
4x((-9 + -5x)(2 + -1x)) = 0

Ignore the factor 4.

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 + -5x)' equal to zero and attempt to solve: Simplifying -9 + -5x = 0 Solving -9 + -5x = 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 + -5x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -5x = 0 + 9 -5x = 0 + 9 Combine like terms: 0 + 9 = 9 -5x = 9 Divide each side by '-5'. x = -1.8 Simplifying x = -1.8

Subproblem 3

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {0, -1.8, 2}

See similar equations:

| 13b+4.4=2.6-6b | | x-(-12)=-4 | | x-0=11 | | x-42=-15 | | -1-17-(-10)+(-19)= | | 4x-11=12x-3 | | 360/(-3)-1= | | 0.16+0.05(y+3000)=990 | | x+37=-25 | | 0-y=11 | | 2766+-3169= | | 32x=11-3x^2 | | 3y-4=9y-24 | | 5x=-105 | | (4x+5)(x-4)=-20x-22 | | 0=-16x^2+55x+175 | | 329/3= | | 2523+-2940= | | -7(3x-4y+6)= | | n=360-1*3 | | n=360-1/3 | | n=360-1/2 | | 18x+8x^2=-9 | | y=-16x^2+55x+175 | | -7b+10+(-b)+(-7)= | | 6x^4+28x^3+16x^2+16=0 | | 2(6*w)+2(5*6)+2(5*w)=126 | | 5ln(4x)=10 | | 2(6w)+2(5*6)+2(5w)=126 | | 9+(-5)+(-8)= | | 4g-4-3-4g= | | 2(5x-3)=3(3x+4) |

Equations solver categories