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Simplifying x(x + 0.0075) = 0.000075 Reorder the terms: x(0.0075 + x) = 0.000075 (0.0075 * x + x * x) = 0.000075 (0.0075x + x2) = 0.000075 Solving 0.0075x + x2 = 0.000075 Solving for variable 'x'. Reorder the terms: -0.000075 + 0.0075x + x2 = 0.000075 + -0.000075 Combine like terms: 0.000075 + -0.000075 = 0.000000 -0.000075 + 0.0075x + x2 = 0.000000 Begin completing the square. Move the constant term to the right: Add '0.000075' to each side of the equation. -0.000075 + 0.0075x + 0.000075 + x2 = 0.000000 + 0.000075 Reorder the terms: -0.000075 + 0.000075 + 0.0075x + x2 = 0.000000 + 0.000075 Combine like terms: -0.000075 + 0.000075 = 0.000000 0.000000 + 0.0075x + x2 = 0.000000 + 0.000075 0.0075x + x2 = 0.000000 + 0.000075 Combine like terms: 0.000000 + 0.000075 = 0.000075 0.0075x + x2 = 0.000075 The x term is 0.0075x. Take half its coefficient (0.00375). Square it (0.0000140625) and add it to both sides. Add '0.0000140625' to each side of the equation. 0.0075x + 0.0000140625 + x2 = 0.000075 + 0.0000140625 Reorder the terms: 0.0000140625 + 0.0075x + x2 = 0.000075 + 0.0000140625 Combine like terms: 0.000075 + 0.0000140625 = 0.0000890625 0.0000140625 + 0.0075x + x2 = 0.0000890625 Factor a perfect square on the left side: (x + 0.00375)(x + 0.00375) = 0.0000890625 Calculate the square root of the right side: 0.009437293 Break this problem into two subproblems by setting (x + 0.00375) equal to 0.009437293 and -0.009437293.Subproblem 1
x + 0.00375 = 0.009437293 Simplifying x + 0.00375 = 0.009437293 Reorder the terms: 0.00375 + x = 0.009437293 Solving 0.00375 + x = 0.009437293 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.00375' to each side of the equation. 0.00375 + -0.00375 + x = 0.009437293 + -0.00375 Combine like terms: 0.00375 + -0.00375 = 0.00000 0.00000 + x = 0.009437293 + -0.00375 x = 0.009437293 + -0.00375 Combine like terms: 0.009437293 + -0.00375 = 0.005687293 x = 0.005687293 Simplifying x = 0.005687293Subproblem 2
x + 0.00375 = -0.009437293 Simplifying x + 0.00375 = -0.009437293 Reorder the terms: 0.00375 + x = -0.009437293 Solving 0.00375 + x = -0.009437293 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.00375' to each side of the equation. 0.00375 + -0.00375 + x = -0.009437293 + -0.00375 Combine like terms: 0.00375 + -0.00375 = 0.00000 0.00000 + x = -0.009437293 + -0.00375 x = -0.009437293 + -0.00375 Combine like terms: -0.009437293 + -0.00375 = -0.013187293 x = -0.013187293 Simplifying x = -0.013187293Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.005687293, -0.013187293}
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