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Simplifying x * x + -2 * 2.236x + 5 = 0 Multiply x * x x2 + -2 * 2.236x + 5 = 0 Multiply -2 * 2.236 x2 + -4.472x + 5 = 0 Reorder the terms: 5 + -4.472x + x2 = 0 Solving 5 + -4.472x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-5' to each side of the equation. 5 + -4.472x + -5 + x2 = 0 + -5 Reorder the terms: 5 + -5 + -4.472x + x2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4.472x + x2 = 0 + -5 -4.472x + x2 = 0 + -5 Combine like terms: 0 + -5 = -5 -4.472x + x2 = -5 The x term is -4.472x. Take half its coefficient (-2.236). Square it (4.999696) and add it to both sides. Add '4.999696' to each side of the equation. -4.472x + 4.999696 + x2 = -5 + 4.999696 Reorder the terms: 4.999696 + -4.472x + x2 = -5 + 4.999696 Combine like terms: -5 + 4.999696 = -0.000304 4.999696 + -4.472x + x2 = -0.000304 Factor a perfect square on the left side: (x + -2.236)(x + -2.236) = -0.000304 Can't calculate square root of the right side. The solution to this equation could not be determined.
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