21x^5+6x^3+15x^2=

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Solution for 21x^5+6x^3+15x^2= equation: 


Simplifying
21x5 + 6x3 + 15x2 = 0

Reorder the terms:
15x2 + 6x3 + 21x5 = 0

Solving
15x2 + 6x3 + 21x5 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x2'.
3x2(5 + 2x + 7x3) = 0

Ignore the factor 3.

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 '(5 + 2x + 7x3)' equal to zero and attempt to solve:

Simplifying
5 + 2x + 7x3 = 0

Solving
5 + 2x + 7x3 = 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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