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Simplifying 77x4 + -1x2 + 121 = 0 Reorder the terms: 121 + -1x2 + 77x4 = 0 Solving 121 + -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'. 1.571428571 + -0.01298701299x2 + x4 = 0 Move the constant term to the right: Add '-1.571428571' to each side of the equation. 1.571428571 + -0.01298701299x2 + -1.571428571 + x4 = 0 + -1.571428571 Reorder the terms: 1.571428571 + -1.571428571 + -0.01298701299x2 + x4 = 0 + -1.571428571 Combine like terms: 1.571428571 + -1.571428571 = 0.000000000 0.000000000 + -0.01298701299x2 + x4 = 0 + -1.571428571 -0.01298701299x2 + x4 = 0 + -1.571428571 Combine like terms: 0 + -1.571428571 = -1.571428571 -0.01298701299x2 + x4 = -1.571428571 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 = -1.571428571 + 0.00004216562660 Reorder the terms: 0.00004216562660 + -0.01298701299x2 + x4 = -1.571428571 + 0.00004216562660 Combine like terms: -1.571428571 + 0.00004216562660 = -1.5713864053734 0.00004216562660 + -0.01298701299x2 + x4 = -1.5713864053734 Factor a perfect square on the left side: (x2 + -0.006493506495)(x2 + -0.006493506495) = -1.5713864053734 Can't calculate square root of the right side. The solution to this equation could not be determined.
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