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Simplifying 121x2 + -22x + 9 = 0 Reorder the terms: 9 + -22x + 121x2 = 0 Solving 9 + -22x + 121x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 121 the coefficient of the squared term: Divide each side by '121'. 0.07438016529 + -0.1818181818x + x2 = 0 Move the constant term to the right: Add '-0.07438016529' to each side of the equation. 0.07438016529 + -0.1818181818x + -0.07438016529 + x2 = 0 + -0.07438016529 Reorder the terms: 0.07438016529 + -0.07438016529 + -0.1818181818x + x2 = 0 + -0.07438016529 Combine like terms: 0.07438016529 + -0.07438016529 = 0.00000000000 0.00000000000 + -0.1818181818x + x2 = 0 + -0.07438016529 -0.1818181818x + x2 = 0 + -0.07438016529 Combine like terms: 0 + -0.07438016529 = -0.07438016529 -0.1818181818x + x2 = -0.07438016529 The x term is -0.1818181818x. Take half its coefficient (-0.0909090909). Square it (0.008264462808) and add it to both sides. Add '0.008264462808' to each side of the equation. -0.1818181818x + 0.008264462808 + x2 = -0.07438016529 + 0.008264462808 Reorder the terms: 0.008264462808 + -0.1818181818x + x2 = -0.07438016529 + 0.008264462808 Combine like terms: -0.07438016529 + 0.008264462808 = -0.066115702482 0.008264462808 + -0.1818181818x + x2 = -0.066115702482 Factor a perfect square on the left side: (x + -0.0909090909)(x + -0.0909090909) = -0.066115702482 Can't calculate square root of the right side. The solution to this equation could not be determined.
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