x^3+11x^3+28x=0

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Solution for x^3+11x^3+28x=0 equation: 


Simplifying
x3 + 11x3 + 28x = 0

Reorder the terms:
28x + x3 + 11x3 = 0

Combine like terms: x3 + 11x3 = 12x3
28x + 12x3 = 0

Solving
28x + 12x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4x'.
4x(7 + 3x2) = 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 '(7 + 3x2)' equal to zero and attempt to solve:

Simplifying
7 + 3x2 = 0

Solving
7 + 3x2 = 0

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

Add '-7' to each side of the equation.
7 + -7 + 3x2 = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 3x2 = 0 + -7
3x2 = 0 + -7

Combine like terms: 0 + -7 = -7
3x2 = -7

Divide each side by '3'.
x2 = -2.333333333

Simplifying
x2 = -2.333333333

The solution to this equation could not be determined.

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

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