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Simplifying x + x2 = 2400 Solving x + x2 = 2400 Solving for variable 'x'. Reorder the terms: -2400 + x + x2 = 2400 + -2400 Combine like terms: 2400 + -2400 = 0 -2400 + x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '2400' to each side of the equation. -2400 + x + 2400 + x2 = 0 + 2400 Reorder the terms: -2400 + 2400 + x + x2 = 0 + 2400 Combine like terms: -2400 + 2400 = 0 0 + x + x2 = 0 + 2400 x + x2 = 0 + 2400 Combine like terms: 0 + 2400 = 2400 x + x2 = 2400 The x term is x. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. x + 0.25 + x2 = 2400 + 0.25 Reorder the terms: 0.25 + x + x2 = 2400 + 0.25 Combine like terms: 2400 + 0.25 = 2400.25 0.25 + x + x2 = 2400.25 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = 2400.25 Calculate the square root of the right side: 48.992346341 Break this problem into two subproblems by setting (x + 0.5) equal to 48.992346341 and -48.992346341.Subproblem 1
x + 0.5 = 48.992346341 Simplifying x + 0.5 = 48.992346341 Reorder the terms: 0.5 + x = 48.992346341 Solving 0.5 + x = 48.992346341 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 48.992346341 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 48.992346341 + -0.5 x = 48.992346341 + -0.5 Combine like terms: 48.992346341 + -0.5 = 48.492346341 x = 48.492346341 Simplifying x = 48.492346341Subproblem 2
x + 0.5 = -48.992346341 Simplifying x + 0.5 = -48.992346341 Reorder the terms: 0.5 + x = -48.992346341 Solving 0.5 + x = -48.992346341 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -48.992346341 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -48.992346341 + -0.5 x = -48.992346341 + -0.5 Combine like terms: -48.992346341 + -0.5 = -49.492346341 x = -49.492346341 Simplifying x = -49.492346341Solution
The solution to the problem is based on the solutions from the subproblems. x = {48.492346341, -49.492346341}
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