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Simplifying 20x2 + -11x + 2 = 0 Reorder the terms: 2 + -11x + 20x2 = 0 Solving 2 + -11x + 20x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 20 the coefficient of the squared term: Divide each side by '20'. 0.1 + -0.55x + x2 = 0 Move the constant term to the right: Add '-0.1' to each side of the equation. 0.1 + -0.55x + -0.1 + x2 = 0 + -0.1 Reorder the terms: 0.1 + -0.1 + -0.55x + x2 = 0 + -0.1 Combine like terms: 0.1 + -0.1 = 0.0 0.0 + -0.55x + x2 = 0 + -0.1 -0.55x + x2 = 0 + -0.1 Combine like terms: 0 + -0.1 = -0.1 -0.55x + x2 = -0.1 The x term is -0.55x. Take half its coefficient (-0.275). Square it (0.075625) and add it to both sides. Add '0.075625' to each side of the equation. -0.55x + 0.075625 + x2 = -0.1 + 0.075625 Reorder the terms: 0.075625 + -0.55x + x2 = -0.1 + 0.075625 Combine like terms: -0.1 + 0.075625 = -0.024375 0.075625 + -0.55x + x2 = -0.024375 Factor a perfect square on the left side: (x + -0.275)(x + -0.275) = -0.024375 Can't calculate square root of the right side. The solution to this equation could not be determined.
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