15x^4-9x^2+21x=

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Solution for 15x^4-9x^2+21x= equation: 


Simplifying
15x4 + -9x2 + 21x = 0

Reorder the terms:
21x + -9x2 + 15x4 = 0

Solving
21x + -9x2 + 15x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x'.
3x(7 + -3x + 5x3) = 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 '(7 + -3x + 5x3)' equal to zero and attempt to solve:

Simplifying
7 + -3x + 5x3 = 0

Solving
7 + -3x + 5x3 = 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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