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Simplifying -21x2 + 4x = 0 Reorder the terms: 4x + -21x2 = 0 Solving 4x + -21x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), 'x'. x(4 + -21x) = 0Subproblem 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 + -21x)' equal to zero and attempt to solve: Simplifying 4 + -21x = 0 Solving 4 + -21x = 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 + -21x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -21x = 0 + -4 -21x = 0 + -4 Combine like terms: 0 + -4 = -4 -21x = -4 Divide each side by '-21'. x = 0.1904761905 Simplifying x = 0.1904761905Solution
x = {0, 0.1904761905}
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