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Simplifying X(420 + -3x) = 0 (420 * X + -3x * X) = 0 (420X + -3xX) = 0 Solving 420X + -3xX = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Factor out the Greatest Common Factor (GCF), '3X'. 3X(140 + -1x) = 0 Ignore the factor 3.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 '(140 + -1x)' equal to zero and attempt to solve: Simplifying 140 + -1x = 0 Solving 140 + -1x = 0 Move all terms containing X to the left, all other terms to the right. Add '-140' to each side of the equation. 140 + -140 + -1x = 0 + -140 Combine like terms: 140 + -140 = 0 0 + -1x = 0 + -140 -1x = 0 + -140 Combine like terms: 0 + -140 = -140 -1x = -140 Add 'x' to each side of the equation. -1x + x = -140 + x Combine like terms: -1x + x = 0 0 = -140 + x Simplifying 0 = -140 + x 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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