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Simplifying 16x2 + -81x + 134 = 0 Reorder the terms: 134 + -81x + 16x2 = 0 Solving 134 + -81x + 16x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 16 the coefficient of the squared term: Divide each side by '16'. 8.375 + -5.0625x + x2 = 0 Move the constant term to the right: Add '-8.375' to each side of the equation. 8.375 + -5.0625x + -8.375 + x2 = 0 + -8.375 Reorder the terms: 8.375 + -8.375 + -5.0625x + x2 = 0 + -8.375 Combine like terms: 8.375 + -8.375 = 0.000 0.000 + -5.0625x + x2 = 0 + -8.375 -5.0625x + x2 = 0 + -8.375 Combine like terms: 0 + -8.375 = -8.375 -5.0625x + x2 = -8.375 The x term is -5.0625x. Take half its coefficient (-2.53125). Square it (6.407226563) and add it to both sides. Add '6.407226563' to each side of the equation. -5.0625x + 6.407226563 + x2 = -8.375 + 6.407226563 Reorder the terms: 6.407226563 + -5.0625x + x2 = -8.375 + 6.407226563 Combine like terms: -8.375 + 6.407226563 = -1.967773437 6.407226563 + -5.0625x + x2 = -1.967773437 Factor a perfect square on the left side: (x + -2.53125)(x + -2.53125) = -1.967773437 Can't calculate square root of the right side. The solution to this equation could not be determined.
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