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Simplifying 12x + 28x3 = 0 Solving 12x + 28x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '4x'. 4x(3 + 7x2) = 0 Ignore the factor 4.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 '(3 + 7x2)' equal to zero and attempt to solve: Simplifying 3 + 7x2 = 0 Solving 3 + 7x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 7x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 7x2 = 0 + -3 7x2 = 0 + -3 Combine like terms: 0 + -3 = -3 7x2 = -3 Divide each side by '7'. x2 = -0.4285714286 Simplifying x2 = -0.4285714286 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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