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Simplifying -1X2 + 10X = 11 Reorder the terms: 10X + -1X2 = 11 Solving 10X + -1X2 = 11 Solving for variable 'X'. Reorder the terms: -11 + 10X + -1X2 = 11 + -11 Combine like terms: 11 + -11 = 0 -11 + 10X + -1X2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. 11 + -10X + X2 = 0 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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