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Simplifying 22x2 + -16x + 13 + 30 = 0 Reorder the terms: 13 + 30 + -16x + 22x2 = 0 Combine like terms: 13 + 30 = 43 43 + -16x + 22x2 = 0 Solving 43 + -16x + 22x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 22 the coefficient of the squared term: Divide each side by '22'. 1.954545455 + -0.7272727273x + x2 = 0 Move the constant term to the right: Add '-1.954545455' to each side of the equation. 1.954545455 + -0.7272727273x + -1.954545455 + x2 = 0 + -1.954545455 Reorder the terms: 1.954545455 + -1.954545455 + -0.7272727273x + x2 = 0 + -1.954545455 Combine like terms: 1.954545455 + -1.954545455 = 0.000000000 0.000000000 + -0.7272727273x + x2 = 0 + -1.954545455 -0.7272727273x + x2 = 0 + -1.954545455 Combine like terms: 0 + -1.954545455 = -1.954545455 -0.7272727273x + x2 = -1.954545455 The x term is -0.7272727273x. Take half its coefficient (-0.3636363637). Square it (0.1322314050) and add it to both sides. Add '0.1322314050' to each side of the equation. -0.7272727273x + 0.1322314050 + x2 = -1.954545455 + 0.1322314050 Reorder the terms: 0.1322314050 + -0.7272727273x + x2 = -1.954545455 + 0.1322314050 Combine like terms: -1.954545455 + 0.1322314050 = -1.82231405 0.1322314050 + -0.7272727273x + x2 = -1.82231405 Factor a perfect square on the left side: (x + -0.3636363637)(x + -0.3636363637) = -1.82231405 Can't calculate square root of the right side. The solution to this equation could not be determined.
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