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Simplifying x2 + -0.8 = -0.06x Reorder the terms: -0.8 + x2 = -0.06x Solving -0.8 + x2 = -0.06x Solving for variable 'x'. Reorder the terms: -0.8 + 0.06x + x2 = -0.06x + 0.06x Combine like terms: -0.06x + 0.06x = 0.00 -0.8 + 0.06x + x2 = 0.00 Begin completing the square. Move the constant term to the right: Add '0.8' to each side of the equation. -0.8 + 0.06x + 0.8 + x2 = 0.00 + 0.8 Reorder the terms: -0.8 + 0.8 + 0.06x + x2 = 0.00 + 0.8 Combine like terms: -0.8 + 0.8 = 0.0 0.0 + 0.06x + x2 = 0.00 + 0.8 0.06x + x2 = 0.00 + 0.8 Combine like terms: 0.00 + 0.8 = 0.8 0.06x + x2 = 0.8 The x term is 0.06x. Take half its coefficient (0.03). Square it (0.0009) and add it to both sides. Add '0.0009' to each side of the equation. 0.06x + 0.0009 + x2 = 0.8 + 0.0009 Reorder the terms: 0.0009 + 0.06x + x2 = 0.8 + 0.0009 Combine like terms: 0.8 + 0.0009 = 0.8009 0.0009 + 0.06x + x2 = 0.8009 Factor a perfect square on the left side: (x + 0.03)(x + 0.03) = 0.8009 Calculate the square root of the right side: 0.894930165 Break this problem into two subproblems by setting (x + 0.03) equal to 0.894930165 and -0.894930165.Subproblem 1
x + 0.03 = 0.894930165 Simplifying x + 0.03 = 0.894930165 Reorder the terms: 0.03 + x = 0.894930165 Solving 0.03 + x = 0.894930165 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.03' to each side of the equation. 0.03 + -0.03 + x = 0.894930165 + -0.03 Combine like terms: 0.03 + -0.03 = 0.00 0.00 + x = 0.894930165 + -0.03 x = 0.894930165 + -0.03 Combine like terms: 0.894930165 + -0.03 = 0.864930165 x = 0.864930165 Simplifying x = 0.864930165Subproblem 2
x + 0.03 = -0.894930165 Simplifying x + 0.03 = -0.894930165 Reorder the terms: 0.03 + x = -0.894930165 Solving 0.03 + x = -0.894930165 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.03' to each side of the equation. 0.03 + -0.03 + x = -0.894930165 + -0.03 Combine like terms: 0.03 + -0.03 = 0.00 0.00 + x = -0.894930165 + -0.03 x = -0.894930165 + -0.03 Combine like terms: -0.894930165 + -0.03 = -0.924930165 x = -0.924930165 Simplifying x = -0.924930165Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.864930165, -0.924930165}
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