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Simplifying 4.9x2 + -8x + 120 = 0 Reorder the terms: 120 + -8x + 4.9x2 = 0 Solving 120 + -8x + 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'. 24.48979592 + -1.632653061x + x2 = 0 Move the constant term to the right: Add '-24.48979592' to each side of the equation. 24.48979592 + -1.632653061x + -24.48979592 + x2 = 0 + -24.48979592 Reorder the terms: 24.48979592 + -24.48979592 + -1.632653061x + x2 = 0 + -24.48979592 Combine like terms: 24.48979592 + -24.48979592 = 0.00000000 0.00000000 + -1.632653061x + x2 = 0 + -24.48979592 -1.632653061x + x2 = 0 + -24.48979592 Combine like terms: 0 + -24.48979592 = -24.48979592 -1.632653061x + x2 = -24.48979592 The x term is -1.632653061x. Take half its coefficient (-0.8163265305). Square it (0.6663890044) and add it to both sides. Add '0.6663890044' to each side of the equation. -1.632653061x + 0.6663890044 + x2 = -24.48979592 + 0.6663890044 Reorder the terms: 0.6663890044 + -1.632653061x + x2 = -24.48979592 + 0.6663890044 Combine like terms: -24.48979592 + 0.6663890044 = -23.8234069156 0.6663890044 + -1.632653061x + x2 = -23.8234069156 Factor a perfect square on the left side: (x + -0.8163265305)(x + -0.8163265305) = -23.8234069156 Can't calculate square root of the right side. The solution to this equation could not be determined.
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