40x^4+60x^3-90x^2-135x=0

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Solution for 40x^4+60x^3-90x^2-135x=0 equation: 


Simplifying
40x4 + 60x3 + -90x2 + -135x = 0

Reorder the terms:
-135x + -90x2 + 60x3 + 40x4 = 0

Solving
-135x + -90x2 + 60x3 + 40x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5x'.
5x(-27 + -18x + 12x2 + 8x3) = 0

Ignore the factor 5.

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 '(-27 + -18x + 12x2 + 8x3)' equal to zero and attempt to solve:

Simplifying
-27 + -18x + 12x2 + 8x3 = 0

Solving
-27 + -18x + 12x2 + 8x3 = 0

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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