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Simplifying x2 + -10x + 16 = 5 Reorder the terms: 16 + -10x + x2 = 5 Solving 16 + -10x + x2 = 5 Solving for variable 'x'. Reorder the terms: 16 + -5 + -10x + x2 = 5 + -5 Combine like terms: 16 + -5 = 11 11 + -10x + x2 = 5 + -5 Combine like terms: 5 + -5 = 0 11 + -10x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-11' to each side of the equation. 11 + -10x + -11 + x2 = 0 + -11 Reorder the terms: 11 + -11 + -10x + x2 = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -10x + x2 = 0 + -11 -10x + x2 = 0 + -11 Combine like terms: 0 + -11 = -11 -10x + x2 = -11 The x term is -10x. Take half its coefficient (-5). Square it (25) and add it to both sides. Add '25' to each side of the equation. -10x + 25 + x2 = -11 + 25 Reorder the terms: 25 + -10x + x2 = -11 + 25 Combine like terms: -11 + 25 = 14 25 + -10x + x2 = 14 Factor a perfect square on the left side: (x + -5)(x + -5) = 14 Calculate the square root of the right side: 3.741657387 Break this problem into two subproblems by setting (x + -5) equal to 3.741657387 and -3.741657387.Subproblem 1
x + -5 = 3.741657387 Simplifying x + -5 = 3.741657387 Reorder the terms: -5 + x = 3.741657387 Solving -5 + x = 3.741657387 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 3.741657387 + 5 Combine like terms: -5 + 5 = 0 0 + x = 3.741657387 + 5 x = 3.741657387 + 5 Combine like terms: 3.741657387 + 5 = 8.741657387 x = 8.741657387 Simplifying x = 8.741657387Subproblem 2
x + -5 = -3.741657387 Simplifying x + -5 = -3.741657387 Reorder the terms: -5 + x = -3.741657387 Solving -5 + x = -3.741657387 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -3.741657387 + 5 Combine like terms: -5 + 5 = 0 0 + x = -3.741657387 + 5 x = -3.741657387 + 5 Combine like terms: -3.741657387 + 5 = 1.258342613 x = 1.258342613 Simplifying x = 1.258342613Solution
The solution to the problem is based on the solutions from the subproblems. x = {8.741657387, 1.258342613}
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