21w^8x^9y^4-28w^9x^5=0

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Solution for 21w^8x^9y^4-28w^9x^5=0 equation: 


Simplifying
21w8x9y4 + -28w9x5 = 0

Solving
21w8x9y4 + -28w9x5 = 0

Solving for variable 'w'.

Factor out the Greatest Common Factor (GCF), '7w8x5'.
7w8x5(3x4y4 + -4w) = 0

Ignore the factor 7.

Subproblem 1
Set the factor 'w8x5' equal to zero and attempt to solve:

Simplifying
w8x5 = 0

Solving
w8x5 = 0

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

Simplifying
w8x5 = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

Subproblem 2
Set the factor '(3x4y4 + -4w)' equal to zero and attempt to solve:

Simplifying
3x4y4 + -4w = 0

Reorder the terms:
-4w + 3x4y4 = 0

Solving
-4w + 3x4y4 = 0

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

Add '-3x4y4' to each side of the equation.
-4w + 3x4y4 + -3x4y4 = 0 + -3x4y4

Combine like terms: 3x4y4 + -3x4y4 = 0
-4w + 0 = 0 + -3x4y4
-4w = 0 + -3x4y4
Remove the zero:
-4w = -3x4y4

Divide each side by '-4'.
w = 0.75x4y4

Simplifying
w = 0.75x4y4
Solution
w = {0.75x4y4}

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