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Simplifying (8x + 7y) * dx + (7x + 6y) * dy = 0 Reorder the terms for easier multiplication: dx(8x + 7y) + (7x + 6y) * dy = 0 (8x * dx + 7y * dx) + (7x + 6y) * dy = 0 Reorder the terms: (7dxy + 8dx2) + (7x + 6y) * dy = 0 (7dxy + 8dx2) + (7x + 6y) * dy = 0 Reorder the terms for easier multiplication: 7dxy + 8dx2 + dy(7x + 6y) = 0 7dxy + 8dx2 + (7x * dy + 6y * dy) = 0 7dxy + 8dx2 + (7dxy + 6dy2) = 0 Reorder the terms: 7dxy + 7dxy + 8dx2 + 6dy2 = 0 Combine like terms: 7dxy + 7dxy = 14dxy 14dxy + 8dx2 + 6dy2 = 0 Solving 14dxy + 8dx2 + 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(7xy + 4x2 + 3y2) = 0 Factor a trinomial. 2d((4x + 3y)(x + y)) = 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 = 0Subproblem 2
Set the factor '(4x + 3y)' equal to zero and attempt to solve: Simplifying 4x + 3y = 0 Solving 4x + 3y = 0 Move all terms containing d to the left, all other terms to the right. Add '-4x' to each side of the equation. 4x + -4x + 3y = 0 + -4x Combine like terms: 4x + -4x = 0 0 + 3y = 0 + -4x 3y = 0 + -4x Remove the zero: 3y = -4x Add '-3y' to each side of the equation. 3y + -3y = -4x + -3y Combine like terms: 3y + -3y = 0 0 = -4x + -3y Simplifying 0 = -4x + -3y 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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