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