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Simplifying 12x2 + -6x + 72 = 0 Reorder the terms: 72 + -6x + 12x2 = 0 Solving 72 + -6x + 12x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '6'. 6(12 + -1x + 2x2) = 0 Ignore the factor 6.Subproblem 1
Set the factor '(12 + -1x + 2x2)' equal to zero and attempt to solve: Simplifying 12 + -1x + 2x2 = 0 Solving 12 + -1x + 2x2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. 6 + -0.5x + x2 = 0 Move the constant term to the right: Add '-6' to each side of the equation. 6 + -0.5x + -6 + x2 = 0 + -6 Reorder the terms: 6 + -6 + -0.5x + x2 = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -0.5x + x2 = 0 + -6 -0.5x + x2 = 0 + -6 Combine like terms: 0 + -6 = -6 -0.5x + x2 = -6 The x term is -0.5x. Take half its coefficient (-0.25). Square it (0.0625) and add it to both sides. Add '0.0625' to each side of the equation. -0.5x + 0.0625 + x2 = -6 + 0.0625 Reorder the terms: 0.0625 + -0.5x + x2 = -6 + 0.0625 Combine like terms: -6 + 0.0625 = -5.9375 0.0625 + -0.5x + x2 = -5.9375 Factor a perfect square on the left side: (x + -0.25)(x + -0.25) = -5.9375 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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