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Simplifying 14.4x2 + -35x + 49 = 0 Reorder the terms: 49 + -35x + 14.4x2 = 0 Solving 49 + -35x + 14.4x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 14.4 the coefficient of the squared term: Divide each side by '14.4'. 3.402777778 + -2.430555556x + x2 = 0 Move the constant term to the right: Add '-3.402777778' to each side of the equation. 3.402777778 + -2.430555556x + -3.402777778 + x2 = 0 + -3.402777778 Reorder the terms: 3.402777778 + -3.402777778 + -2.430555556x + x2 = 0 + -3.402777778 Combine like terms: 3.402777778 + -3.402777778 = 0.000000000 0.000000000 + -2.430555556x + x2 = 0 + -3.402777778 -2.430555556x + x2 = 0 + -3.402777778 Combine like terms: 0 + -3.402777778 = -3.402777778 -2.430555556x + x2 = -3.402777778 The x term is -2.430555556x. Take half its coefficient (-1.215277778). Square it (1.476900078) and add it to both sides. Add '1.476900078' to each side of the equation. -2.430555556x + 1.476900078 + x2 = -3.402777778 + 1.476900078 Reorder the terms: 1.476900078 + -2.430555556x + x2 = -3.402777778 + 1.476900078 Combine like terms: -3.402777778 + 1.476900078 = -1.9258777 1.476900078 + -2.430555556x + x2 = -1.9258777 Factor a perfect square on the left side: (x + -1.215277778)(x + -1.215277778) = -1.9258777 Can't calculate square root of the right side. The solution to this equation could not be determined.
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