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Simplifying x = 4x2 + 6x + -2x + 12 Reorder the terms: x = 12 + 6x + -2x + 4x2 Combine like terms: 6x + -2x = 4x x = 12 + 4x + 4x2 Solving x = 12 + 4x + 4x2 Solving for variable 'x'. Reorder the terms: -12 + x + -4x + -4x2 = 12 + 4x + 4x2 + -12 + -4x + -4x2 Combine like terms: x + -4x = -3x -12 + -3x + -4x2 = 12 + 4x + 4x2 + -12 + -4x + -4x2 Reorder the terms: -12 + -3x + -4x2 = 12 + -12 + 4x + -4x + 4x2 + -4x2 Combine like terms: 12 + -12 = 0 -12 + -3x + -4x2 = 0 + 4x + -4x + 4x2 + -4x2 -12 + -3x + -4x2 = 4x + -4x + 4x2 + -4x2 Combine like terms: 4x + -4x = 0 -12 + -3x + -4x2 = 0 + 4x2 + -4x2 -12 + -3x + -4x2 = 4x2 + -4x2 Combine like terms: 4x2 + -4x2 = 0 -12 + -3x + -4x2 = 0 Factor out the Greatest Common Factor (GCF), '-1'. -1(12 + 3x + 4x2) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(12 + 3x + 4x2)' equal to zero and attempt to solve: Simplifying 12 + 3x + 4x2 = 0 Solving 12 + 3x + 4x2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 3 + 0.75x + x2 = 0 Move the constant term to the right: Add '-3' to each side of the equation. 3 + 0.75x + -3 + x2 = 0 + -3 Reorder the terms: 3 + -3 + 0.75x + x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 0.75x + x2 = 0 + -3 0.75x + x2 = 0 + -3 Combine like terms: 0 + -3 = -3 0.75x + x2 = -3 The x term is 0.75x. Take half its coefficient (0.375). Square it (0.140625) and add it to both sides. Add '0.140625' to each side of the equation. 0.75x + 0.140625 + x2 = -3 + 0.140625 Reorder the terms: 0.140625 + 0.75x + x2 = -3 + 0.140625 Combine like terms: -3 + 0.140625 = -2.859375 0.140625 + 0.75x + x2 = -2.859375 Factor a perfect square on the left side: (x + 0.375)(x + 0.375) = -2.859375 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. The solution to this equation could not be determined.
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