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Simplifying 77x4 + -1x2 + 49 = 0 Reorder the terms: 49 + -1x2 + 77x4 = 0 Solving 49 + -1x2 + 77x4 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 77 the coefficient of the squared term: Divide each side by '77'. 0.6363636364 + -0.01298701299x2 + x4 = 0 Move the constant term to the right: Add '-0.6363636364' to each side of the equation. 0.6363636364 + -0.01298701299x2 + -0.6363636364 + x4 = 0 + -0.6363636364 Reorder the terms: 0.6363636364 + -0.6363636364 + -0.01298701299x2 + x4 = 0 + -0.6363636364 Combine like terms: 0.6363636364 + -0.6363636364 = 0.0000000000 0.0000000000 + -0.01298701299x2 + x4 = 0 + -0.6363636364 -0.01298701299x2 + x4 = 0 + -0.6363636364 Combine like terms: 0 + -0.6363636364 = -0.6363636364 -0.01298701299x2 + x4 = -0.6363636364 The x term is -0.01298701299x2. Take half its coefficient (-0.006493506495). Square it (0.00004216562660) and add it to both sides. Add '0.00004216562660' to each side of the equation. -0.01298701299x2 + 0.00004216562660 + x4 = -0.6363636364 + 0.00004216562660 Reorder the terms: 0.00004216562660 + -0.01298701299x2 + x4 = -0.6363636364 + 0.00004216562660 Combine like terms: -0.6363636364 + 0.00004216562660 = -0.6363214707734 0.00004216562660 + -0.01298701299x2 + x4 = -0.6363214707734 Factor a perfect square on the left side: (x2 + -0.006493506495)(x2 + -0.006493506495) = -0.6363214707734 Can't calculate square root of the right side. The solution to this equation could not be determined.
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