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Simplifying 9x2 + -12x + 133 = 0 Reorder the terms: 133 + -12x + 9x2 = 0 Solving 133 + -12x + 9x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. 14.77777778 + -1.333333333x + x2 = 0 Move the constant term to the right: Add '-14.77777778' to each side of the equation. 14.77777778 + -1.333333333x + -14.77777778 + x2 = 0 + -14.77777778 Reorder the terms: 14.77777778 + -14.77777778 + -1.333333333x + x2 = 0 + -14.77777778 Combine like terms: 14.77777778 + -14.77777778 = 0.00000000 0.00000000 + -1.333333333x + x2 = 0 + -14.77777778 -1.333333333x + x2 = 0 + -14.77777778 Combine like terms: 0 + -14.77777778 = -14.77777778 -1.333333333x + x2 = -14.77777778 The x term is -1.333333333x. Take half its coefficient (-0.6666666665). Square it (0.4444444442) and add it to both sides. Add '0.4444444442' to each side of the equation. -1.333333333x + 0.4444444442 + x2 = -14.77777778 + 0.4444444442 Reorder the terms: 0.4444444442 + -1.333333333x + x2 = -14.77777778 + 0.4444444442 Combine like terms: -14.77777778 + 0.4444444442 = -14.3333333358 0.4444444442 + -1.333333333x + x2 = -14.3333333358 Factor a perfect square on the left side: (x + -0.6666666665)(x + -0.6666666665) = -14.3333333358 Can't calculate square root of the right side. The solution to this equation could not be determined.
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