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Simplifying 81x2 + -126x + 50 = 0 Reorder the terms: 50 + -126x + 81x2 = 0 Solving 50 + -126x + 81x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 81 the coefficient of the squared term: Divide each side by '81'. 0.6172839506 + -1.555555556x + x2 = 0 Move the constant term to the right: Add '-0.6172839506' to each side of the equation. 0.6172839506 + -1.555555556x + -0.6172839506 + x2 = 0 + -0.6172839506 Reorder the terms: 0.6172839506 + -0.6172839506 + -1.555555556x + x2 = 0 + -0.6172839506 Combine like terms: 0.6172839506 + -0.6172839506 = 0.0000000000 0.0000000000 + -1.555555556x + x2 = 0 + -0.6172839506 -1.555555556x + x2 = 0 + -0.6172839506 Combine like terms: 0 + -0.6172839506 = -0.6172839506 -1.555555556x + x2 = -0.6172839506 The x term is -1.555555556x. Take half its coefficient (-0.777777778). Square it (0.6049382720) and add it to both sides. Add '0.6049382720' to each side of the equation. -1.555555556x + 0.6049382720 + x2 = -0.6172839506 + 0.6049382720 Reorder the terms: 0.6049382720 + -1.555555556x + x2 = -0.6172839506 + 0.6049382720 Combine like terms: -0.6172839506 + 0.6049382720 = -0.0123456786 0.6049382720 + -1.555555556x + x2 = -0.0123456786 Factor a perfect square on the left side: (x + -0.777777778)(x + -0.777777778) = -0.0123456786 Can't calculate square root of the right side. The solution to this equation could not be determined.
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