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Simplifying 4.9x2 + -5x + 218 = 0 Reorder the terms: 218 + -5x + 4.9x2 = 0 Solving 218 + -5x + 4.9x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 4.9 the coefficient of the squared term: Divide each side by '4.9'. 44.48979592 + -1.020408163x + x2 = 0 Move the constant term to the right: Add '-44.48979592' to each side of the equation. 44.48979592 + -1.020408163x + -44.48979592 + x2 = 0 + -44.48979592 Reorder the terms: 44.48979592 + -44.48979592 + -1.020408163x + x2 = 0 + -44.48979592 Combine like terms: 44.48979592 + -44.48979592 = 0.00000000 0.00000000 + -1.020408163x + x2 = 0 + -44.48979592 -1.020408163x + x2 = 0 + -44.48979592 Combine like terms: 0 + -44.48979592 = -44.48979592 -1.020408163x + x2 = -44.48979592 The x term is -1.020408163x. Take half its coefficient (-0.5102040815). Square it (0.2603082048) and add it to both sides. Add '0.2603082048' to each side of the equation. -1.020408163x + 0.2603082048 + x2 = -44.48979592 + 0.2603082048 Reorder the terms: 0.2603082048 + -1.020408163x + x2 = -44.48979592 + 0.2603082048 Combine like terms: -44.48979592 + 0.2603082048 = -44.2294877152 0.2603082048 + -1.020408163x + x2 = -44.2294877152 Factor a perfect square on the left side: (x + -0.5102040815)(x + -0.5102040815) = -44.2294877152 Can't calculate square root of the right side. The solution to this equation could not be determined.
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