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Simplifying 12X + 21X3 = 0 Solving 12X + 21X3 = 0 Solving for variable 'X'. Factor out the Greatest Common Factor (GCF), '3X'. 3X(4 + 7X2) = 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 '(4 + 7X2)' equal to zero and attempt to solve: Simplifying 4 + 7X2 = 0 Solving 4 + 7X2 = 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 + 7X2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 7X2 = 0 + -4 7X2 = 0 + -4 Combine like terms: 0 + -4 = -4 7X2 = -4 Divide each side by '7'. X2 = -0.5714285714 Simplifying X2 = -0.5714285714 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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