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Simplifying -3x3 + 12x2 + -30x = 0 Reorder the terms: -30x + 12x2 + -3x3 = 0 Solving -30x + 12x2 + -3x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '3x'. 3x(-10 + 4x + -1x2) = 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 '(-10 + 4x + -1x2)' equal to zero and attempt to solve: Simplifying -10 + 4x + -1x2 = 0 Solving -10 + 4x + -1x2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. 10 + -4x + x2 = 0 Move the constant term to the right: Add '-10' to each side of the equation. 10 + -4x + -10 + x2 = 0 + -10 Reorder the terms: 10 + -10 + -4x + x2 = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -4x + x2 = 0 + -10 -4x + x2 = 0 + -10 Combine like terms: 0 + -10 = -10 -4x + x2 = -10 The x term is -4x. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4x + 4 + x2 = -10 + 4 Reorder the terms: 4 + -4x + x2 = -10 + 4 Combine like terms: -10 + 4 = -6 4 + -4x + x2 = -6 Factor a perfect square on the left side: (x + -2)(x + -2) = -6 Can't calculate square root of the right side. 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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