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Simplifying x2 + -22x + 121 = 13 Reorder the terms: 121 + -22x + x2 = 13 Solving 121 + -22x + x2 = 13 Solving for variable 'x'. Reorder the terms: 121 + -13 + -22x + x2 = 13 + -13 Combine like terms: 121 + -13 = 108 108 + -22x + x2 = 13 + -13 Combine like terms: 13 + -13 = 0 108 + -22x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-108' to each side of the equation. 108 + -22x + -108 + x2 = 0 + -108 Reorder the terms: 108 + -108 + -22x + x2 = 0 + -108 Combine like terms: 108 + -108 = 0 0 + -22x + x2 = 0 + -108 -22x + x2 = 0 + -108 Combine like terms: 0 + -108 = -108 -22x + x2 = -108 The x term is -22x. Take half its coefficient (-11). Square it (121) and add it to both sides. Add '121' to each side of the equation. -22x + 121 + x2 = -108 + 121 Reorder the terms: 121 + -22x + x2 = -108 + 121 Combine like terms: -108 + 121 = 13 121 + -22x + x2 = 13 Factor a perfect square on the left side: (x + -11)(x + -11) = 13 Calculate the square root of the right side: 3.605551275 Break this problem into two subproblems by setting (x + -11) equal to 3.605551275 and -3.605551275.Subproblem 1
x + -11 = 3.605551275 Simplifying x + -11 = 3.605551275 Reorder the terms: -11 + x = 3.605551275 Solving -11 + x = 3.605551275 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + x = 3.605551275 + 11 Combine like terms: -11 + 11 = 0 0 + x = 3.605551275 + 11 x = 3.605551275 + 11 Combine like terms: 3.605551275 + 11 = 14.605551275 x = 14.605551275 Simplifying x = 14.605551275Subproblem 2
x + -11 = -3.605551275 Simplifying x + -11 = -3.605551275 Reorder the terms: -11 + x = -3.605551275 Solving -11 + x = -3.605551275 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + x = -3.605551275 + 11 Combine like terms: -11 + 11 = 0 0 + x = -3.605551275 + 11 x = -3.605551275 + 11 Combine like terms: -3.605551275 + 11 = 7.394448725 x = 7.394448725 Simplifying x = 7.394448725Solution
The solution to the problem is based on the solutions from the subproblems. x = {14.605551275, 7.394448725}
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