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Simplifying x2 + 2x + -253 = 0 Reorder the terms: -253 + 2x + x2 = 0 Solving -253 + 2x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '253' to each side of the equation. -253 + 2x + 253 + x2 = 0 + 253 Reorder the terms: -253 + 253 + 2x + x2 = 0 + 253 Combine like terms: -253 + 253 = 0 0 + 2x + x2 = 0 + 253 2x + x2 = 0 + 253 Combine like terms: 0 + 253 = 253 2x + x2 = 253 The x term is 2x. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2x + 1 + x2 = 253 + 1 Reorder the terms: 1 + 2x + x2 = 253 + 1 Combine like terms: 253 + 1 = 254 1 + 2x + x2 = 254 Factor a perfect square on the left side: (x + 1)(x + 1) = 254 Calculate the square root of the right side: 15.937377451 Break this problem into two subproblems by setting (x + 1) equal to 15.937377451 and -15.937377451.Subproblem 1
x + 1 = 15.937377451 Simplifying x + 1 = 15.937377451 Reorder the terms: 1 + x = 15.937377451 Solving 1 + x = 15.937377451 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 15.937377451 + -1 Combine like terms: 1 + -1 = 0 0 + x = 15.937377451 + -1 x = 15.937377451 + -1 Combine like terms: 15.937377451 + -1 = 14.937377451 x = 14.937377451 Simplifying x = 14.937377451Subproblem 2
x + 1 = -15.937377451 Simplifying x + 1 = -15.937377451 Reorder the terms: 1 + x = -15.937377451 Solving 1 + x = -15.937377451 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -15.937377451 + -1 Combine like terms: 1 + -1 = 0 0 + x = -15.937377451 + -1 x = -15.937377451 + -1 Combine like terms: -15.937377451 + -1 = -16.937377451 x = -16.937377451 Simplifying x = -16.937377451Solution
The solution to the problem is based on the solutions from the subproblems. x = {14.937377451, -16.937377451}
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