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Simplifying 9x2 + -48x + 88 = 0 Reorder the terms: 88 + -48x + 9x2 = 0 Solving 88 + -48x + 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'. 9.777777778 + -5.333333333x + x2 = 0 Move the constant term to the right: Add '-9.777777778' to each side of the equation. 9.777777778 + -5.333333333x + -9.777777778 + x2 = 0 + -9.777777778 Reorder the terms: 9.777777778 + -9.777777778 + -5.333333333x + x2 = 0 + -9.777777778 Combine like terms: 9.777777778 + -9.777777778 = 0.000000000 0.000000000 + -5.333333333x + x2 = 0 + -9.777777778 -5.333333333x + x2 = 0 + -9.777777778 Combine like terms: 0 + -9.777777778 = -9.777777778 -5.333333333x + x2 = -9.777777778 The x term is -5.333333333x. Take half its coefficient (-2.666666667). Square it (7.111111113) and add it to both sides. Add '7.111111113' to each side of the equation. -5.333333333x + 7.111111113 + x2 = -9.777777778 + 7.111111113 Reorder the terms: 7.111111113 + -5.333333333x + x2 = -9.777777778 + 7.111111113 Combine like terms: -9.777777778 + 7.111111113 = -2.666666665 7.111111113 + -5.333333333x + x2 = -2.666666665 Factor a perfect square on the left side: (x + -2.666666667)(x + -2.666666667) = -2.666666665 Can't calculate square root of the right side. The solution to this equation could not be determined.
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