dy+9x*dx=0

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Solution for dy+9x*dx=0 equation: 


Simplifying
dy + 9x * dx = 0

Multiply x * dx
dy + 9dx2 = 0

Reorder the terms:
9dx2 + dy = 0

Solving
9dx2 + dy = 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(9x2 + y) = 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 '(9x2 + y)' equal to zero and attempt to solve:

Simplifying
9x2 + y = 0

Solving
9x2 + y = 0

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

Add '-9x2' to each side of the equation.
9x2 + -9x2 + y = 0 + -9x2

Combine like terms: 9x2 + -9x2 = 0
0 + y = 0 + -9x2
y = 0 + -9x2
Remove the zero:
y = -9x2

Add '-1y' to each side of the equation.
y + -1y = -9x2 + -1y

Combine like terms: y + -1y = 0
0 = -9x2 + -1y

Simplifying
0 = -9x2 + -1y

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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