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Simplifying 9x2 + -20x + 50 = 0 Reorder the terms: 50 + -20x + 9x2 = 0 Solving 50 + -20x + 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'. 5.555555556 + -2.222222222x + x2 = 0 Move the constant term to the right: Add '-5.555555556' to each side of the equation. 5.555555556 + -2.222222222x + -5.555555556 + x2 = 0 + -5.555555556 Reorder the terms: 5.555555556 + -5.555555556 + -2.222222222x + x2 = 0 + -5.555555556 Combine like terms: 5.555555556 + -5.555555556 = 0.000000000 0.000000000 + -2.222222222x + x2 = 0 + -5.555555556 -2.222222222x + x2 = 0 + -5.555555556 Combine like terms: 0 + -5.555555556 = -5.555555556 -2.222222222x + x2 = -5.555555556 The x term is -2.222222222x. Take half its coefficient (-1.111111111). Square it (1.234567901) and add it to both sides. Add '1.234567901' to each side of the equation. -2.222222222x + 1.234567901 + x2 = -5.555555556 + 1.234567901 Reorder the terms: 1.234567901 + -2.222222222x + x2 = -5.555555556 + 1.234567901 Combine like terms: -5.555555556 + 1.234567901 = -4.320987655 1.234567901 + -2.222222222x + x2 = -4.320987655 Factor a perfect square on the left side: (x + -1.111111111)(x + -1.111111111) = -4.320987655 Can't calculate square root of the right side. The solution to this equation could not be determined.
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