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Simplifying 14x2 + -4x + 15 = 0 Reorder the terms: 15 + -4x + 14x2 = 0 Solving 15 + -4x + 14x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 14 the coefficient of the squared term: Divide each side by '14'. 1.071428571 + -0.2857142857x + x2 = 0 Move the constant term to the right: Add '-1.071428571' to each side of the equation. 1.071428571 + -0.2857142857x + -1.071428571 + x2 = 0 + -1.071428571 Reorder the terms: 1.071428571 + -1.071428571 + -0.2857142857x + x2 = 0 + -1.071428571 Combine like terms: 1.071428571 + -1.071428571 = 0.000000000 0.000000000 + -0.2857142857x + x2 = 0 + -1.071428571 -0.2857142857x + x2 = 0 + -1.071428571 Combine like terms: 0 + -1.071428571 = -1.071428571 -0.2857142857x + x2 = -1.071428571 The x term is -0.2857142857x. Take half its coefficient (-0.1428571429). Square it (0.02040816328) and add it to both sides. Add '0.02040816328' to each side of the equation. -0.2857142857x + 0.02040816328 + x2 = -1.071428571 + 0.02040816328 Reorder the terms: 0.02040816328 + -0.2857142857x + x2 = -1.071428571 + 0.02040816328 Combine like terms: -1.071428571 + 0.02040816328 = -1.05102040772 0.02040816328 + -0.2857142857x + x2 = -1.05102040772 Factor a perfect square on the left side: (x + -0.1428571429)(x + -0.1428571429) = -1.05102040772 Can't calculate square root of the right side. The solution to this equation could not be determined.
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