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Simplifying x2 + -6x + 121 = 180 Reorder the terms: 121 + -6x + x2 = 180 Solving 121 + -6x + x2 = 180 Solving for variable 'x'. Reorder the terms: 121 + -180 + -6x + x2 = 180 + -180 Combine like terms: 121 + -180 = -59 -59 + -6x + x2 = 180 + -180 Combine like terms: 180 + -180 = 0 -59 + -6x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '59' to each side of the equation. -59 + -6x + 59 + x2 = 0 + 59 Reorder the terms: -59 + 59 + -6x + x2 = 0 + 59 Combine like terms: -59 + 59 = 0 0 + -6x + x2 = 0 + 59 -6x + x2 = 0 + 59 Combine like terms: 0 + 59 = 59 -6x + x2 = 59 The x term is -6x. Take half its coefficient (-3). Square it (9) and add it to both sides. Add '9' to each side of the equation. -6x + 9 + x2 = 59 + 9 Reorder the terms: 9 + -6x + x2 = 59 + 9 Combine like terms: 59 + 9 = 68 9 + -6x + x2 = 68 Factor a perfect square on the left side: (x + -3)(x + -3) = 68 Calculate the square root of the right side: 8.246211251 Break this problem into two subproblems by setting (x + -3) equal to 8.246211251 and -8.246211251.Subproblem 1
x + -3 = 8.246211251 Simplifying x + -3 = 8.246211251 Reorder the terms: -3 + x = 8.246211251 Solving -3 + x = 8.246211251 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 8.246211251 + 3 Combine like terms: -3 + 3 = 0 0 + x = 8.246211251 + 3 x = 8.246211251 + 3 Combine like terms: 8.246211251 + 3 = 11.246211251 x = 11.246211251 Simplifying x = 11.246211251Subproblem 2
x + -3 = -8.246211251 Simplifying x + -3 = -8.246211251 Reorder the terms: -3 + x = -8.246211251 Solving -3 + x = -8.246211251 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -8.246211251 + 3 Combine like terms: -3 + 3 = 0 0 + x = -8.246211251 + 3 x = -8.246211251 + 3 Combine like terms: -8.246211251 + 3 = -5.246211251 x = -5.246211251 Simplifying x = -5.246211251Solution
The solution to the problem is based on the solutions from the subproblems. x = {11.246211251, -5.246211251}
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