(5x+9y)dx+(9y-8y^3)dy=0

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Solution for (5x+9y)dx+(9y-8y^3)dy=0 equation: 


Simplifying
(5x + 9y) * dx + (9y + -8y3) * dy = 0

Reorder the terms for easier multiplication:
dx(5x + 9y) + (9y + -8y3) * dy = 0
(5x * dx + 9y * dx) + (9y + -8y3) * dy = 0

Reorder the terms:
(9dxy + 5dx2) + (9y + -8y3) * dy = 0
(9dxy + 5dx2) + (9y + -8y3) * dy = 0

Reorder the terms for easier multiplication:
9dxy + 5dx2 + dy(9y + -8y3) = 0
9dxy + 5dx2 + (9y * dy + -8y3 * dy) = 0
9dxy + 5dx2 + (9dy2 + -8dy4) = 0

Solving
9dxy + 5dx2 + 9dy2 + -8dy4 = 0

Solving for variable 'd'.

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

Factor out the Greatest Common Factor (GCF), 'd'.
d(9xy + 5x2 + 9y2 + -8y4) = 0


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

Simplifying
d = 0

Solving
d = 0

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

Simplifying
d = 0

Subproblem 2
Set the factor '(9xy + 5x2 + 9y2 + -8y4)' equal to zero and attempt to solve:

Simplifying
9xy + 5x2 + 9y2 + -8y4 = 0

Solving
9xy + 5x2 + 9y2 + -8y4 = 0

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

Add '-9xy' to each side of the equation.
9xy + 5x2 + 9y2 + -9xy + -8y4 = 0 + -9xy

Reorder the terms:
9xy + -9xy + 5x2 + 9y2 + -8y4 = 0 + -9xy

Combine like terms: 9xy + -9xy = 0
0 + 5x2 + 9y2 + -8y4 = 0 + -9xy
5x2 + 9y2 + -8y4 = 0 + -9xy
Remove the zero:
5x2 + 9y2 + -8y4 = -9xy

Add '-5x2' to each side of the equation.
5x2 + 9y2 + -5x2 + -8y4 = -9xy + -5x2

Reorder the terms:
5x2 + -5x2 + 9y2 + -8y4 = -9xy + -5x2

Combine like terms: 5x2 + -5x2 = 0
0 + 9y2 + -8y4 = -9xy + -5x2
9y2 + -8y4 = -9xy + -5x2

Add '-9y2' to each side of the equation.
9y2 + -9y2 + -8y4 = -9xy + -5x2 + -9y2

Combine like terms: 9y2 + -9y2 = 0
0 + -8y4 = -9xy + -5x2 + -9y2
-8y4 = -9xy + -5x2 + -9y2

Add '8y4' to each side of the equation.
-8y4 + 8y4 = -9xy + -5x2 + -9y2 + 8y4

Combine like terms: -8y4 + 8y4 = 0
0 = -9xy + -5x2 + -9y2 + 8y4

Simplifying
0 = -9xy + -5x2 + -9y2 + 8y4

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
d = {0}

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