3x^3+21x+36x=0

Simple and best practice solution for 3x^3+21x+36x=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+21x+36x=0 equation: 


Simplifying
3x3 + 21x + 36x = 0

Reorder the terms:
21x + 36x + 3x3 = 0

Combine like terms: 21x + 36x = 57x
57x + 3x3 = 0

Solving
57x + 3x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x'.
3x(19 + 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 '(19 + x2)' equal to zero and attempt to solve:

Simplifying
19 + x2 = 0

Solving
19 + x2 = 0

Move all terms containing x to the left, all other terms to the right.

Add '-19' to each side of the equation.
19 + -19 + x2 = 0 + -19

Combine like terms: 19 + -19 = 0
0 + x2 = 0 + -19
x2 = 0 + -19

Combine like terms: 0 + -19 = -19
x2 = -19

Simplifying
x2 = -19

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
x = {0}

See similar equations:

| x+95+x+91=180 | | 1.4f-5=-10 | | 32=-8m | | 126=-3(5r+8) | | 2c+2=38 | | 6u=12 | | 4(10x-2)=-128 | | 2.7-1.5w=-1.8 | | 0=-x^2+24x | | 15g-17=13 | | -1.3c+0.5=-8.5 | | 110=2(1+6x) | | 16x-4=4x+14x | | ln(x+4)-ln(x-4)=lnx | | 8x-7y=8fory | | ln2^-1/2 | | 3b-9b+6=0 | | x+111+x+91=180 | | -1/2ln2 | | 342=6(10n+7) | | x^3-15x^2+75x-25=0 | | 5+13x=15x-5 | | y=x^2+0.5-1 | | x-5=2i | | 12x+1x=3 | | (-10x)/(2x^2) | | 30w+72-3w^2=0 | | 5f/4=12 | | 97=x+103 | | x-0.2x+0.06(x-0.2x)=66.92 | | 20=n/5 | | -4c=-48 |

Equations solver categories