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Simplifying x2 + 9x = 24 Reorder the terms: 9x + x2 = 24 Solving 9x + x2 = 24 Solving for variable 'x'. Reorder the terms: -24 + 9x + x2 = 24 + -24 Combine like terms: 24 + -24 = 0 -24 + 9x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '24' to each side of the equation. -24 + 9x + 24 + x2 = 0 + 24 Reorder the terms: -24 + 24 + 9x + x2 = 0 + 24 Combine like terms: -24 + 24 = 0 0 + 9x + x2 = 0 + 24 9x + x2 = 0 + 24 Combine like terms: 0 + 24 = 24 9x + x2 = 24 The x term is 9x. Take half its coefficient (4.5). Square it (20.25) and add it to both sides. Add '20.25' to each side of the equation. 9x + 20.25 + x2 = 24 + 20.25 Reorder the terms: 20.25 + 9x + x2 = 24 + 20.25 Combine like terms: 24 + 20.25 = 44.25 20.25 + 9x + x2 = 44.25 Factor a perfect square on the left side: (x + 4.5)(x + 4.5) = 44.25 Calculate the square root of the right side: 6.652067348 Break this problem into two subproblems by setting (x + 4.5) equal to 6.652067348 and -6.652067348.Subproblem 1
x + 4.5 = 6.652067348 Simplifying x + 4.5 = 6.652067348 Reorder the terms: 4.5 + x = 6.652067348 Solving 4.5 + x = 6.652067348 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.5' to each side of the equation. 4.5 + -4.5 + x = 6.652067348 + -4.5 Combine like terms: 4.5 + -4.5 = 0.0 0.0 + x = 6.652067348 + -4.5 x = 6.652067348 + -4.5 Combine like terms: 6.652067348 + -4.5 = 2.152067348 x = 2.152067348 Simplifying x = 2.152067348Subproblem 2
x + 4.5 = -6.652067348 Simplifying x + 4.5 = -6.652067348 Reorder the terms: 4.5 + x = -6.652067348 Solving 4.5 + x = -6.652067348 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.5' to each side of the equation. 4.5 + -4.5 + x = -6.652067348 + -4.5 Combine like terms: 4.5 + -4.5 = 0.0 0.0 + x = -6.652067348 + -4.5 x = -6.652067348 + -4.5 Combine like terms: -6.652067348 + -4.5 = -11.152067348 x = -11.152067348 Simplifying x = -11.152067348Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.152067348, -11.152067348}
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