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Simplifying 0 = x(y + 4) Reorder the terms: 0 = x(4 + y) 0 = (4 * x + y * x) 0 = (4x + xy) Solving 0 = 4x + xy Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4x' to each side of the equation. 0 + -4x = 4x + -4x + xy Remove the zero: -4x = 4x + -4x + xy Combine like terms: 4x + -4x = 0 -4x = 0 + xy -4x = xy Add '-1xy' to each side of the equation. -4x + -1xy = xy + -1xy Combine like terms: xy + -1xy = 0 -4x + -1xy = 0 Factor out the Greatest Common Factor (GCF), '-1x'. -1x(4 + y) = 0 Ignore the factor -1.Subproblem 1
Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0Subproblem 2
Set the factor '(4 + y)' equal to zero and attempt to solve: Simplifying 4 + y = 0 Solving 4 + y = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + y = 0 + -4 Combine like terms: 4 + -4 = 0 0 + y = 0 + -4 y = 0 + -4 Combine like terms: 0 + -4 = -4 y = -4 Add '-1y' to each side of the equation. y + -1y = -4 + -1y Combine like terms: y + -1y = 0 0 = -4 + -1y Simplifying 0 = -4 + -1y The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Solution
x = {0}
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