5x^4+18x^2=0

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Solution for 5x^4+18x^2=0 equation: 


Simplifying
5x4 + 18x2 = 0

Reorder the terms:
18x2 + 5x4 = 0

Solving
18x2 + 5x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x2'.
x2(18 + 5x2) = 0


Subproblem 1
Set the factor 'x2' equal to zero and attempt to solve:

Simplifying
x2 = 0

Solving
x2 = 0

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

Simplifying
x2 = 0

Take the square root of each side:
x = {0}

Subproblem 2
Set the factor '(18 + 5x2)' equal to zero and attempt to solve:

Simplifying
18 + 5x2 = 0

Solving
18 + 5x2 = 0

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

Add '-18' to each side of the equation.
18 + -18 + 5x2 = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 5x2 = 0 + -18
5x2 = 0 + -18

Combine like terms: 0 + -18 = -18
5x2 = -18

Divide each side by '5'.
x2 = -3.6

Simplifying
x2 = -3.6

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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