(x+y)dx+(x+y)dy=0

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


Simplifying
(x + y) * dx + (x + y) * dy = 0

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

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

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

Reorder the terms:
dxy + dxy + dx2 + dy2 = 0

Combine like terms: dxy + dxy = 2dxy
2dxy + dx2 + dy2 = 0

Solving
2dxy + dx2 + dy2 = 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(2xy + x2 + y2) = 0

Factor a trinomial.
d((x + y)(x + 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 '(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 '(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.

Solution

d = {0}

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