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Simplifying x2 + -0.6666x + 0.1111 = 0 Reorder the terms: 0.1111 + -0.6666x + x2 = 0 Solving 0.1111 + -0.6666x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-0.1111' to each side of the equation. 0.1111 + -0.6666x + -0.1111 + x2 = 0 + -0.1111 Reorder the terms: 0.1111 + -0.1111 + -0.6666x + x2 = 0 + -0.1111 Combine like terms: 0.1111 + -0.1111 = 0.0000 0.0000 + -0.6666x + x2 = 0 + -0.1111 -0.6666x + x2 = 0 + -0.1111 Combine like terms: 0 + -0.1111 = -0.1111 -0.6666x + x2 = -0.1111 The x term is -0.6666x. Take half its coefficient (-0.3333). Square it (0.11108889) and add it to both sides. Add '0.11108889' to each side of the equation. -0.6666x + 0.11108889 + x2 = -0.1111 + 0.11108889 Reorder the terms: 0.11108889 + -0.6666x + x2 = -0.1111 + 0.11108889 Combine like terms: -0.1111 + 0.11108889 = -0.00001111 0.11108889 + -0.6666x + x2 = -0.00001111 Factor a perfect square on the left side: (x + -0.3333)(x + -0.3333) = -0.00001111 Can't calculate square root of the right side. The solution to this equation could not be determined.
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