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Simplifying 9x2 + -50x + 624 = 0 Reorder the terms: 624 + -50x + 9x2 = 0 Solving 624 + -50x + 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'. 69.33333333 + -5.555555556x + x2 = 0 Move the constant term to the right: Add '-69.33333333' to each side of the equation. 69.33333333 + -5.555555556x + -69.33333333 + x2 = 0 + -69.33333333 Reorder the terms: 69.33333333 + -69.33333333 + -5.555555556x + x2 = 0 + -69.33333333 Combine like terms: 69.33333333 + -69.33333333 = 0.00000000 0.00000000 + -5.555555556x + x2 = 0 + -69.33333333 -5.555555556x + x2 = 0 + -69.33333333 Combine like terms: 0 + -69.33333333 = -69.33333333 -5.555555556x + x2 = -69.33333333 The x term is -5.555555556x. Take half its coefficient (-2.777777778). Square it (7.716049384) and add it to both sides. Add '7.716049384' to each side of the equation. -5.555555556x + 7.716049384 + x2 = -69.33333333 + 7.716049384 Reorder the terms: 7.716049384 + -5.555555556x + x2 = -69.33333333 + 7.716049384 Combine like terms: -69.33333333 + 7.716049384 = -61.617283946 7.716049384 + -5.555555556x + x2 = -61.617283946 Factor a perfect square on the left side: (x + -2.777777778)(x + -2.777777778) = -61.617283946 Can't calculate square root of the right side. The solution to this equation could not be determined.
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