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Simplifying x2 + -60x + 216 = 0 Reorder the terms: 216 + -60x + x2 = 0 Solving 216 + -60x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-216' to each side of the equation. 216 + -60x + -216 + x2 = 0 + -216 Reorder the terms: 216 + -216 + -60x + x2 = 0 + -216 Combine like terms: 216 + -216 = 0 0 + -60x + x2 = 0 + -216 -60x + x2 = 0 + -216 Combine like terms: 0 + -216 = -216 -60x + x2 = -216 The x term is -60x. Take half its coefficient (-30). Square it (900) and add it to both sides. Add '900' to each side of the equation. -60x + 900 + x2 = -216 + 900 Reorder the terms: 900 + -60x + x2 = -216 + 900 Combine like terms: -216 + 900 = 684 900 + -60x + x2 = 684 Factor a perfect square on the left side: (x + -30)(x + -30) = 684 Calculate the square root of the right side: 26.153393661 Break this problem into two subproblems by setting (x + -30) equal to 26.153393661 and -26.153393661.Subproblem 1
x + -30 = 26.153393661 Simplifying x + -30 = 26.153393661 Reorder the terms: -30 + x = 26.153393661 Solving -30 + x = 26.153393661 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '30' to each side of the equation. -30 + 30 + x = 26.153393661 + 30 Combine like terms: -30 + 30 = 0 0 + x = 26.153393661 + 30 x = 26.153393661 + 30 Combine like terms: 26.153393661 + 30 = 56.153393661 x = 56.153393661 Simplifying x = 56.153393661Subproblem 2
x + -30 = -26.153393661 Simplifying x + -30 = -26.153393661 Reorder the terms: -30 + x = -26.153393661 Solving -30 + x = -26.153393661 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '30' to each side of the equation. -30 + 30 + x = -26.153393661 + 30 Combine like terms: -30 + 30 = 0 0 + x = -26.153393661 + 30 x = -26.153393661 + 30 Combine like terms: -26.153393661 + 30 = 3.846606339 x = 3.846606339 Simplifying x = 3.846606339Solution
The solution to the problem is based on the solutions from the subproblems. x = {56.153393661, 3.846606339}
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