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Simplifying 6x2 + -7x + 18 = 0 Reorder the terms: 18 + -7x + 6x2 = 0 Solving 18 + -7x + 6x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. 3 + -1.166666667x + x2 = 0 Move the constant term to the right: Add '-3' to each side of the equation. 3 + -1.166666667x + -3 + x2 = 0 + -3 Reorder the terms: 3 + -3 + -1.166666667x + x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1.166666667x + x2 = 0 + -3 -1.166666667x + x2 = 0 + -3 Combine like terms: 0 + -3 = -3 -1.166666667x + x2 = -3 The x term is -1.166666667x. Take half its coefficient (-0.5833333335). Square it (0.3402777780) and add it to both sides. Add '0.3402777780' to each side of the equation. -1.166666667x + 0.3402777780 + x2 = -3 + 0.3402777780 Reorder the terms: 0.3402777780 + -1.166666667x + x2 = -3 + 0.3402777780 Combine like terms: -3 + 0.3402777780 = -2.659722222 0.3402777780 + -1.166666667x + x2 = -2.659722222 Factor a perfect square on the left side: (x + -0.5833333335)(x + -0.5833333335) = -2.659722222 Can't calculate square root of the right side. The solution to this equation could not be determined.
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