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Simplifying (x + -4y) * dx + (x + 2y) * dy = 0 Reorder the terms for easier multiplication: dx(x + -4y) + (x + 2y) * dy = 0 (x * dx + -4y * dx) + (x + 2y) * dy = 0 Reorder the terms: (-4dxy + dx2) + (x + 2y) * dy = 0 (-4dxy + dx2) + (x + 2y) * dy = 0 Reorder the terms for easier multiplication: -4dxy + dx2 + dy(x + 2y) = 0 -4dxy + dx2 + (x * dy + 2y * dy) = 0 -4dxy + dx2 + (dxy + 2dy2) = 0 Reorder the terms: -4dxy + dxy + dx2 + 2dy2 = 0 Combine like terms: -4dxy + dxy = -3dxy -3dxy + dx2 + 2dy2 = 0 Solving -3dxy + dx2 + 2dy2 = 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(-3xy + x2 + 2y2) = 0 Factor a trinomial. d((x + -2y)(x + -1y)) = 0Subproblem 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 = 0Subproblem 2
Set the factor '(x + -2y)' equal to zero and attempt to solve: Simplifying x + -2y = 0 Solving x + -2y = 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 + -2y = 0 + -1x Combine like terms: x + -1x = 0 0 + -2y = 0 + -1x -2y = 0 + -1x Remove the zero: -2y = -1x Add '2y' to each side of the equation. -2y + 2y = -1x + 2y Combine like terms: -2y + 2y = 0 0 = -1x + 2y Simplifying 0 = -1x + 2y 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 + -1y)' equal to zero and attempt to solve: Simplifying x + -1y = 0 Solving x + -1y = 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 + -1y = 0 + -1x Combine like terms: x + -1x = 0 0 + -1y = 0 + -1x -1y = 0 + -1x Remove the zero: -1y = -1x Add 'y' to each side of the equation. -1y + y = -1x + y Combine like terms: -1y + y = 0 0 = -1x + y Simplifying 0 = -1x + y 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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