3x^3-9x^2=12x

Simple and best practice solution for 3x^3-9x^2=12x 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 3x^3-9x^2=12x equation:


Simplifying
3x3 + -9x2 = 12x

Reorder the terms:
-9x2 + 3x3 = 12x

Solving
-9x2 + 3x3 = 12x

Solving for variable 'x'.

Reorder the terms:
-12x + -9x2 + 3x3 = 12x + -12x

Combine like terms: 12x + -12x = 0
-12x + -9x2 + 3x3 = 0

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-4 + -3x + x2) = 0

Factor a trinomial.
3x((-1 + -1x)(4 + -1x)) = 0

Ignore the factor 3.

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

Subproblem 3

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {0, -1, 4}

See similar equations:

| [x-5]+6=0 | | 3x^2-9x^2=12x | | 2.58q+34.23=42.1-1.42 | | 3(1+2x)-x=7 | | (10r^9)(5r^66)-14r^33=0 | | [x+17]+10=70 | | 7m-6m=-7 | | y^2+2y-63= | | -4n-3n=0 | | 8.3m+19.4=-12.7-3.7m | | [y-8]-2=5 | | 5ln(x+6)-8=12 | | m-8-6=-16 | | y=3(-2)+4 | | [y-5]+6=0 | | 5+2(2y-7)=0 | | 11c+35=210 | | -(7+5)=-14 | | T=35-2t | | 32x-28=6(5x+2)+404 | | 15x-7=2(x+4) | | 2+x=65748985764785767485 | | 11b+46= | | 15x+7+9+3x=18x | | 1+x=9984857694 | | 6g-8r+2g+12r= | | (y+4)(y-1)= | | 4x-3=180-2x | | x+x+10+90=360 | | 1-3x=4-7 | | 18x^2-63+0=0 | | 5(y-4)=y |

Equations solver categories