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Simplifying 45x2 + 2.3x + 5 = 0 Reorder the terms: 5 + 2.3x + 45x2 = 0 Solving 5 + 2.3x + 45x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 45 the coefficient of the squared term: Divide each side by '45'. 0.1111111111 + 0.05111111111x + x2 = 0 Move the constant term to the right: Add '-0.1111111111' to each side of the equation. 0.1111111111 + 0.05111111111x + -0.1111111111 + x2 = 0 + -0.1111111111 Reorder the terms: 0.1111111111 + -0.1111111111 + 0.05111111111x + x2 = 0 + -0.1111111111 Combine like terms: 0.1111111111 + -0.1111111111 = 0.0000000000 0.0000000000 + 0.05111111111x + x2 = 0 + -0.1111111111 0.05111111111x + x2 = 0 + -0.1111111111 Combine like terms: 0 + -0.1111111111 = -0.1111111111 0.05111111111x + x2 = -0.1111111111 The x term is 0.05111111111x. Take half its coefficient (0.02555555556). Square it (0.0006530864200) and add it to both sides. Add '0.0006530864200' to each side of the equation. 0.05111111111x + 0.0006530864200 + x2 = -0.1111111111 + 0.0006530864200 Reorder the terms: 0.0006530864200 + 0.05111111111x + x2 = -0.1111111111 + 0.0006530864200 Combine like terms: -0.1111111111 + 0.0006530864200 = -0.11045802468 0.0006530864200 + 0.05111111111x + x2 = -0.11045802468 Factor a perfect square on the left side: (x + 0.02555555556)(x + 0.02555555556) = -0.11045802468 Can't calculate square root of the right side. The solution to this equation could not be determined.
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