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Simplifying 9x2 + -61x + 198 = 0 Reorder the terms: 198 + -61x + 9x2 = 0 Solving 198 + -61x + 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'. 22 + -6.777777778x + x2 = 0 Move the constant term to the right: Add '-22' to each side of the equation. 22 + -6.777777778x + -22 + x2 = 0 + -22 Reorder the terms: 22 + -22 + -6.777777778x + x2 = 0 + -22 Combine like terms: 22 + -22 = 0 0 + -6.777777778x + x2 = 0 + -22 -6.777777778x + x2 = 0 + -22 Combine like terms: 0 + -22 = -22 -6.777777778x + x2 = -22 The x term is -6.777777778x. Take half its coefficient (-3.388888889). Square it (11.48456790) and add it to both sides. Add '11.48456790' to each side of the equation. -6.777777778x + 11.48456790 + x2 = -22 + 11.48456790 Reorder the terms: 11.48456790 + -6.777777778x + x2 = -22 + 11.48456790 Combine like terms: -22 + 11.48456790 = -10.5154321 11.48456790 + -6.777777778x + x2 = -10.5154321 Factor a perfect square on the left side: (x + -3.388888889)(x + -3.388888889) = -10.5154321 Can't calculate square root of the right side. The solution to this equation could not be determined.
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