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Simplifying 4.9x2 + 5.5x + -0.06 = 0 Reorder the terms: -0.06 + 5.5x + 4.9x2 = 0 Solving -0.06 + 5.5x + 4.9x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 4.9 the coefficient of the squared term: Divide each side by '4.9'. -0.01224489796 + 1.12244898x + x2 = 0 Move the constant term to the right: Add '0.01224489796' to each side of the equation. -0.01224489796 + 1.12244898x + 0.01224489796 + x2 = 0 + 0.01224489796 Reorder the terms: -0.01224489796 + 0.01224489796 + 1.12244898x + x2 = 0 + 0.01224489796 Combine like terms: -0.01224489796 + 0.01224489796 = 0.00000000000 0.00000000000 + 1.12244898x + x2 = 0 + 0.01224489796 1.12244898x + x2 = 0 + 0.01224489796 Combine like terms: 0 + 0.01224489796 = 0.01224489796 1.12244898x + x2 = 0.01224489796 The x term is 1.12244898x. Take half its coefficient (0.56122449). Square it (0.3149729282) and add it to both sides. Add '0.3149729282' to each side of the equation. 1.12244898x + 0.3149729282 + x2 = 0.01224489796 + 0.3149729282 Reorder the terms: 0.3149729282 + 1.12244898x + x2 = 0.01224489796 + 0.3149729282 Combine like terms: 0.01224489796 + 0.3149729282 = 0.32721782616 0.3149729282 + 1.12244898x + x2 = 0.32721782616 Factor a perfect square on the left side: (x + 0.56122449)(x + 0.56122449) = 0.32721782616 Calculate the square root of the right side: 0.572029568 Break this problem into two subproblems by setting (x + 0.56122449) equal to 0.572029568 and -0.572029568.Subproblem 1
x + 0.56122449 = 0.572029568 Simplifying x + 0.56122449 = 0.572029568 Reorder the terms: 0.56122449 + x = 0.572029568 Solving 0.56122449 + x = 0.572029568 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.56122449' to each side of the equation. 0.56122449 + -0.56122449 + x = 0.572029568 + -0.56122449 Combine like terms: 0.56122449 + -0.56122449 = 0.00000000 0.00000000 + x = 0.572029568 + -0.56122449 x = 0.572029568 + -0.56122449 Combine like terms: 0.572029568 + -0.56122449 = 0.010805078 x = 0.010805078 Simplifying x = 0.010805078Subproblem 2
x + 0.56122449 = -0.572029568 Simplifying x + 0.56122449 = -0.572029568 Reorder the terms: 0.56122449 + x = -0.572029568 Solving 0.56122449 + x = -0.572029568 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.56122449' to each side of the equation. 0.56122449 + -0.56122449 + x = -0.572029568 + -0.56122449 Combine like terms: 0.56122449 + -0.56122449 = 0.00000000 0.00000000 + x = -0.572029568 + -0.56122449 x = -0.572029568 + -0.56122449 Combine like terms: -0.572029568 + -0.56122449 = -1.133254058 x = -1.133254058 Simplifying x = -1.133254058Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.010805078, -1.133254058}
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