(4x+5y)dx+(5x+6y)dy=0

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Solution for (4x+5y)dx+(5x+6y)dy=0 equation:


Simplifying
(4x + 5y) * dx + (5x + 6y) * dy = 0

Reorder the terms for easier multiplication:
dx(4x + 5y) + (5x + 6y) * dy = 0
(4x * dx + 5y * dx) + (5x + 6y) * dy = 0

Reorder the terms:
(5dxy + 4dx2) + (5x + 6y) * dy = 0
(5dxy + 4dx2) + (5x + 6y) * dy = 0

Reorder the terms for easier multiplication:
5dxy + 4dx2 + dy(5x + 6y) = 0
5dxy + 4dx2 + (5x * dy + 6y * dy) = 0
5dxy + 4dx2 + (5dxy + 6dy2) = 0

Reorder the terms:
5dxy + 5dxy + 4dx2 + 6dy2 = 0

Combine like terms: 5dxy + 5dxy = 10dxy
10dxy + 4dx2 + 6dy2 = 0

Solving
10dxy + 4dx2 + 6dy2 = 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), '2d'.
2d(5xy + 2x2 + 3y2) = 0

Factor a trinomial.
2d((x + y)(2x + 3y)) = 0

Ignore the factor 2.

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 '(x + y)' equal to zero and attempt to solve: Simplifying x + y = 0 Solving x + y = 0 Move all terms containing d to the left, all other terms to the right. Add '-1x' to each side of the equation. x + -1x + y = 0 + -1x Combine like terms: x + -1x = 0 0 + y = 0 + -1x y = 0 + -1x Remove the zero: y = -1x Add '-1y' to each side of the equation. y + -1y = -1x + -1y Combine like terms: y + -1y = 0 0 = -1x + -1y Simplifying 0 = -1x + -1y The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 3

Set the factor '(2x + 3y)' equal to zero and attempt to solve: Simplifying 2x + 3y = 0 Solving 2x + 3y = 0 Move all terms containing d to the left, all other terms to the right. Add '-2x' to each side of the equation. 2x + -2x + 3y = 0 + -2x Combine like terms: 2x + -2x = 0 0 + 3y = 0 + -2x 3y = 0 + -2x Remove the zero: 3y = -2x Add '-3y' to each side of the equation. 3y + -3y = -2x + -3y Combine like terms: 3y + -3y = 0 0 = -2x + -3y Simplifying 0 = -2x + -3y 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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