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Simplifying (x2) + 5x = 110 x2 + 5x = 110 Reorder the terms: 5x + x2 = 110 Solving 5x + x2 = 110 Solving for variable 'x'. Reorder the terms: -110 + 5x + x2 = 110 + -110 Combine like terms: 110 + -110 = 0 -110 + 5x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '110' to each side of the equation. -110 + 5x + 110 + x2 = 0 + 110 Reorder the terms: -110 + 110 + 5x + x2 = 0 + 110 Combine like terms: -110 + 110 = 0 0 + 5x + x2 = 0 + 110 5x + x2 = 0 + 110 Combine like terms: 0 + 110 = 110 5x + x2 = 110 The x term is 5x. Take half its coefficient (2.5). Square it (6.25) and add it to both sides. Add '6.25' to each side of the equation. 5x + 6.25 + x2 = 110 + 6.25 Reorder the terms: 6.25 + 5x + x2 = 110 + 6.25 Combine like terms: 110 + 6.25 = 116.25 6.25 + 5x + x2 = 116.25 Factor a perfect square on the left side: (x + 2.5)(x + 2.5) = 116.25 Calculate the square root of the right side: 10.781929326 Break this problem into two subproblems by setting (x + 2.5) equal to 10.781929326 and -10.781929326.Subproblem 1
x + 2.5 = 10.781929326 Simplifying x + 2.5 = 10.781929326 Reorder the terms: 2.5 + x = 10.781929326 Solving 2.5 + x = 10.781929326 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = 10.781929326 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = 10.781929326 + -2.5 x = 10.781929326 + -2.5 Combine like terms: 10.781929326 + -2.5 = 8.281929326 x = 8.281929326 Simplifying x = 8.281929326Subproblem 2
x + 2.5 = -10.781929326 Simplifying x + 2.5 = -10.781929326 Reorder the terms: 2.5 + x = -10.781929326 Solving 2.5 + x = -10.781929326 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = -10.781929326 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = -10.781929326 + -2.5 x = -10.781929326 + -2.5 Combine like terms: -10.781929326 + -2.5 = -13.281929326 x = -13.281929326 Simplifying x = -13.281929326Solution
The solution to the problem is based on the solutions from the subproblems. x = {8.281929326, -13.281929326}
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