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Simplifying 2.2x2 + 1.2x + 0.6 = 0 Reorder the terms: 0.6 + 1.2x + 2.2x2 = 0 Solving 0.6 + 1.2x + 2.2x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 2.2 the coefficient of the squared term: Divide each side by '2.2'. 0.2727272727 + 0.5454545455x + x2 = 0 Move the constant term to the right: Add '-0.2727272727' to each side of the equation. 0.2727272727 + 0.5454545455x + -0.2727272727 + x2 = 0 + -0.2727272727 Reorder the terms: 0.2727272727 + -0.2727272727 + 0.5454545455x + x2 = 0 + -0.2727272727 Combine like terms: 0.2727272727 + -0.2727272727 = 0.0000000000 0.0000000000 + 0.5454545455x + x2 = 0 + -0.2727272727 0.5454545455x + x2 = 0 + -0.2727272727 Combine like terms: 0 + -0.2727272727 = -0.2727272727 0.5454545455x + x2 = -0.2727272727 The x term is 0.5454545455x. Take half its coefficient (0.2727272728). Square it (0.07438016533) and add it to both sides. Add '0.07438016533' to each side of the equation. 0.5454545455x + 0.07438016533 + x2 = -0.2727272727 + 0.07438016533 Reorder the terms: 0.07438016533 + 0.5454545455x + x2 = -0.2727272727 + 0.07438016533 Combine like terms: -0.2727272727 + 0.07438016533 = -0.19834710737 0.07438016533 + 0.5454545455x + x2 = -0.19834710737 Factor a perfect square on the left side: (x + 0.2727272728)(x + 0.2727272728) = -0.19834710737 Can't calculate square root of the right side. The solution to this equation could not be determined.
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