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Simplifying 4.9x2 + -6.6x + 27 = 0 Reorder the terms: 27 + -6.6x + 4.9x2 = 0 Solving 27 + -6.6x + 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'. 5.510204082 + -1.346938776x + x2 = 0 Move the constant term to the right: Add '-5.510204082' to each side of the equation. 5.510204082 + -1.346938776x + -5.510204082 + x2 = 0 + -5.510204082 Reorder the terms: 5.510204082 + -5.510204082 + -1.346938776x + x2 = 0 + -5.510204082 Combine like terms: 5.510204082 + -5.510204082 = 0.000000000 0.000000000 + -1.346938776x + x2 = 0 + -5.510204082 -1.346938776x + x2 = 0 + -5.510204082 Combine like terms: 0 + -5.510204082 = -5.510204082 -1.346938776x + x2 = -5.510204082 The x term is -1.346938776x. Take half its coefficient (-0.673469388). Square it (0.4535610166) and add it to both sides. Add '0.4535610166' to each side of the equation. -1.346938776x + 0.4535610166 + x2 = -5.510204082 + 0.4535610166 Reorder the terms: 0.4535610166 + -1.346938776x + x2 = -5.510204082 + 0.4535610166 Combine like terms: -5.510204082 + 0.4535610166 = -5.0566430654 0.4535610166 + -1.346938776x + x2 = -5.0566430654 Factor a perfect square on the left side: (x + -0.673469388)(x + -0.673469388) = -5.0566430654 Can't calculate square root of the right side. The solution to this equation could not be determined.
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