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Simplifying x2 + 25x + -259 = 0 Reorder the terms: -259 + 25x + x2 = 0 Solving -259 + 25x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '259' to each side of the equation. -259 + 25x + 259 + x2 = 0 + 259 Reorder the terms: -259 + 259 + 25x + x2 = 0 + 259 Combine like terms: -259 + 259 = 0 0 + 25x + x2 = 0 + 259 25x + x2 = 0 + 259 Combine like terms: 0 + 259 = 259 25x + x2 = 259 The x term is 25x. Take half its coefficient (12.5). Square it (156.25) and add it to both sides. Add '156.25' to each side of the equation. 25x + 156.25 + x2 = 259 + 156.25 Reorder the terms: 156.25 + 25x + x2 = 259 + 156.25 Combine like terms: 259 + 156.25 = 415.25 156.25 + 25x + x2 = 415.25 Factor a perfect square on the left side: (x + 12.5)(x + 12.5) = 415.25 Calculate the square root of the right side: 20.377683872 Break this problem into two subproblems by setting (x + 12.5) equal to 20.377683872 and -20.377683872.Subproblem 1
x + 12.5 = 20.377683872 Simplifying x + 12.5 = 20.377683872 Reorder the terms: 12.5 + x = 20.377683872 Solving 12.5 + x = 20.377683872 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12.5' to each side of the equation. 12.5 + -12.5 + x = 20.377683872 + -12.5 Combine like terms: 12.5 + -12.5 = 0.0 0.0 + x = 20.377683872 + -12.5 x = 20.377683872 + -12.5 Combine like terms: 20.377683872 + -12.5 = 7.877683872 x = 7.877683872 Simplifying x = 7.877683872Subproblem 2
x + 12.5 = -20.377683872 Simplifying x + 12.5 = -20.377683872 Reorder the terms: 12.5 + x = -20.377683872 Solving 12.5 + x = -20.377683872 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12.5' to each side of the equation. 12.5 + -12.5 + x = -20.377683872 + -12.5 Combine like terms: 12.5 + -12.5 = 0.0 0.0 + x = -20.377683872 + -12.5 x = -20.377683872 + -12.5 Combine like terms: -20.377683872 + -12.5 = -32.877683872 x = -32.877683872 Simplifying x = -32.877683872Solution
The solution to the problem is based on the solutions from the subproblems. x = {7.877683872, -32.877683872}
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