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Simplifying (9x2) + -49x + 196 = 0 Reorder the terms: 196 + -49x + (9x2) = 0 Solving 196 + -49x + (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'. 21.77777778 + -5.444444444x + x2 = 0 Move the constant term to the right: Add '-21.77777778' to each side of the equation. 21.77777778 + -5.444444444x + -21.77777778 + x2 = 0 + -21.77777778 Reorder the terms: 21.77777778 + -21.77777778 + -5.444444444x + x2 = 0 + -21.77777778 Combine like terms: 21.77777778 + -21.77777778 = 0.00000000 0.00000000 + -5.444444444x + x2 = 0 + -21.77777778 -5.444444444x + x2 = 0 + -21.77777778 Combine like terms: 0 + -21.77777778 = -21.77777778 -5.444444444x + x2 = -21.77777778 The x term is -5.444444444x. Take half its coefficient (-2.722222222). Square it (7.410493826) and add it to both sides. Add '7.410493826' to each side of the equation. -5.444444444x + 7.410493826 + x2 = -21.77777778 + 7.410493826 Reorder the terms: 7.410493826 + -5.444444444x + x2 = -21.77777778 + 7.410493826 Combine like terms: -21.77777778 + 7.410493826 = -14.367283954 7.410493826 + -5.444444444x + x2 = -14.367283954 Factor a perfect square on the left side: ((x) + -2.722222222)((x) + -2.722222222) = -14.367283954 Can't calculate square root of the right side. The solution to this equation could not be determined.
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