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Simplifying x2 + -29x + -168 = 0 Reorder the terms: -168 + -29x + x2 = 0 Solving -168 + -29x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '168' to each side of the equation. -168 + -29x + 168 + x2 = 0 + 168 Reorder the terms: -168 + 168 + -29x + x2 = 0 + 168 Combine like terms: -168 + 168 = 0 0 + -29x + x2 = 0 + 168 -29x + x2 = 0 + 168 Combine like terms: 0 + 168 = 168 -29x + x2 = 168 The x term is -29x. Take half its coefficient (-14.5). Square it (210.25) and add it to both sides. Add '210.25' to each side of the equation. -29x + 210.25 + x2 = 168 + 210.25 Reorder the terms: 210.25 + -29x + x2 = 168 + 210.25 Combine like terms: 168 + 210.25 = 378.25 210.25 + -29x + x2 = 378.25 Factor a perfect square on the left side: (x + -14.5)(x + -14.5) = 378.25 Calculate the square root of the right side: 19.448650339 Break this problem into two subproblems by setting (x + -14.5) equal to 19.448650339 and -19.448650339.Subproblem 1
x + -14.5 = 19.448650339 Simplifying x + -14.5 = 19.448650339 Reorder the terms: -14.5 + x = 19.448650339 Solving -14.5 + x = 19.448650339 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.5' to each side of the equation. -14.5 + 14.5 + x = 19.448650339 + 14.5 Combine like terms: -14.5 + 14.5 = 0.0 0.0 + x = 19.448650339 + 14.5 x = 19.448650339 + 14.5 Combine like terms: 19.448650339 + 14.5 = 33.948650339 x = 33.948650339 Simplifying x = 33.948650339Subproblem 2
x + -14.5 = -19.448650339 Simplifying x + -14.5 = -19.448650339 Reorder the terms: -14.5 + x = -19.448650339 Solving -14.5 + x = -19.448650339 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.5' to each side of the equation. -14.5 + 14.5 + x = -19.448650339 + 14.5 Combine like terms: -14.5 + 14.5 = 0.0 0.0 + x = -19.448650339 + 14.5 x = -19.448650339 + 14.5 Combine like terms: -19.448650339 + 14.5 = -4.948650339 x = -4.948650339 Simplifying x = -4.948650339Solution
The solution to the problem is based on the solutions from the subproblems. x = {33.948650339, -4.948650339}
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