3x^3+9x-18x=0

Simple and best practice solution for 3x^3+9x-18x=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 3x^3+9x-18x=0 equation:


Simplifying
3x3 + 9x + -18x = 0

Reorder the terms:
9x + -18x + 3x3 = 0

Combine like terms: 9x + -18x = -9x
-9x + 3x3 = 0

Solving
-9x + 3x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-3 + x2) = 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 '(-3 + x2)' equal to zero and attempt to solve: Simplifying -3 + x2 = 0 Solving -3 + x2 = 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 + x2 = 0 + 3 Combine like terms: -3 + 3 = 0 0 + x2 = 0 + 3 x2 = 0 + 3 Combine like terms: 0 + 3 = 3 x2 = 3 Simplifying x2 = 3 Take the square root of each side: x = {-1.732050808, 1.732050808}

Solution

x = {0, -1.732050808, 1.732050808}

See similar equations:

| 17=2(b-5) | | 12y+16y=232 | | 17=2(b-5)-3 | | C=3.50+1.25f | | 6b=20 | | 50x^2-75x+22=0 | | h+19=-12h-20 | | 4-=r/20-5 | | x^9-5x^7+113x^6-12x^3-457x^2+x+17=0 | | 10x=27+x | | 11+14q=-10+11q | | 2x+12=7x+5 | | 5u^2-3=14 | | f-15/3=1 | | 3/5×5/9 | | 27n^2+27n=0 | | 1.5x+y=112 | | 19d=20d-20 | | x^2-y^2=400 | | 10X-5X^2-7=0 | | .25x-7=12 | | 6x+3y=189 | | -4(r+9)=4 | | 4x-12=8x+2 | | 3k^2+8k=-5 | | an=(-1/3)n | | (3x+4)(4x+9)=12x+36 | | 4.9x^2-16x+6=0 | | x^2=9-25 | | x=190-60 | | 6-t=16 | | k-2/3=3 |

Equations solver categories