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Simplifying 0.6x2 + -1x + 8 = 0 Reorder the terms: 8 + -1x + 0.6x2 = 0 Solving 8 + -1x + 0.6x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 0.6 the coefficient of the squared term: Divide each side by '0.6'. 13.33333333 + -1.666666667x + x2 = 0 Move the constant term to the right: Add '-13.33333333' to each side of the equation. 13.33333333 + -1.666666667x + -13.33333333 + x2 = 0 + -13.33333333 Reorder the terms: 13.33333333 + -13.33333333 + -1.666666667x + x2 = 0 + -13.33333333 Combine like terms: 13.33333333 + -13.33333333 = 0.00000000 0.00000000 + -1.666666667x + x2 = 0 + -13.33333333 -1.666666667x + x2 = 0 + -13.33333333 Combine like terms: 0 + -13.33333333 = -13.33333333 -1.666666667x + x2 = -13.33333333 The x term is -1.666666667x. Take half its coefficient (-0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. -1.666666667x + 0.6944444447 + x2 = -13.33333333 + 0.6944444447 Reorder the terms: 0.6944444447 + -1.666666667x + x2 = -13.33333333 + 0.6944444447 Combine like terms: -13.33333333 + 0.6944444447 = -12.6388888853 0.6944444447 + -1.666666667x + x2 = -12.6388888853 Factor a perfect square on the left side: (x + -0.8333333335)(x + -0.8333333335) = -12.6388888853 Can't calculate square root of the right side. The solution to this equation could not be determined.
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