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Simplifying 77x2 + -10x = -3 Reorder the terms: -10x + 77x2 = -3 Solving -10x + 77x2 = -3 Solving for variable 'x'. Reorder the terms: 3 + -10x + 77x2 = -3 + 3 Combine like terms: -3 + 3 = 0 3 + -10x + 77x2 = 0 Begin completing the square. Divide all terms by 77 the coefficient of the squared term: Divide each side by '77'. 0.03896103896 + -0.1298701299x + x2 = 0 Move the constant term to the right: Add '-0.03896103896' to each side of the equation. 0.03896103896 + -0.1298701299x + -0.03896103896 + x2 = 0 + -0.03896103896 Reorder the terms: 0.03896103896 + -0.03896103896 + -0.1298701299x + x2 = 0 + -0.03896103896 Combine like terms: 0.03896103896 + -0.03896103896 = 0.00000000000 0.00000000000 + -0.1298701299x + x2 = 0 + -0.03896103896 -0.1298701299x + x2 = 0 + -0.03896103896 Combine like terms: 0 + -0.03896103896 = -0.03896103896 -0.1298701299x + x2 = -0.03896103896 The x term is -0.1298701299x. Take half its coefficient (-0.06493506495). Square it (0.004216562660) and add it to both sides. Add '0.004216562660' to each side of the equation. -0.1298701299x + 0.004216562660 + x2 = -0.03896103896 + 0.004216562660 Reorder the terms: 0.004216562660 + -0.1298701299x + x2 = -0.03896103896 + 0.004216562660 Combine like terms: -0.03896103896 + 0.004216562660 = -0.0347444763 0.004216562660 + -0.1298701299x + x2 = -0.0347444763 Factor a perfect square on the left side: (x + -0.06493506495)(x + -0.06493506495) = -0.0347444763 Can't calculate square root of the right side. The solution to this equation could not be determined.
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