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Simplifying x(x + -12) = 63 Reorder the terms: x(-12 + x) = 63 (-12 * x + x * x) = 63 (-12x + x2) = 63 Solving -12x + x2 = 63 Solving for variable 'x'. Reorder the terms: -63 + -12x + x2 = 63 + -63 Combine like terms: 63 + -63 = 0 -63 + -12x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '63' to each side of the equation. -63 + -12x + 63 + x2 = 0 + 63 Reorder the terms: -63 + 63 + -12x + x2 = 0 + 63 Combine like terms: -63 + 63 = 0 0 + -12x + x2 = 0 + 63 -12x + x2 = 0 + 63 Combine like terms: 0 + 63 = 63 -12x + x2 = 63 The x term is -12x. Take half its coefficient (-6). Square it (36) and add it to both sides. Add '36' to each side of the equation. -12x + 36 + x2 = 63 + 36 Reorder the terms: 36 + -12x + x2 = 63 + 36 Combine like terms: 63 + 36 = 99 36 + -12x + x2 = 99 Factor a perfect square on the left side: (x + -6)(x + -6) = 99 Calculate the square root of the right side: 9.949874371 Break this problem into two subproblems by setting (x + -6) equal to 9.949874371 and -9.949874371.Subproblem 1
x + -6 = 9.949874371 Simplifying x + -6 = 9.949874371 Reorder the terms: -6 + x = 9.949874371 Solving -6 + x = 9.949874371 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 9.949874371 + 6 Combine like terms: -6 + 6 = 0 0 + x = 9.949874371 + 6 x = 9.949874371 + 6 Combine like terms: 9.949874371 + 6 = 15.949874371 x = 15.949874371 Simplifying x = 15.949874371Subproblem 2
x + -6 = -9.949874371 Simplifying x + -6 = -9.949874371 Reorder the terms: -6 + x = -9.949874371 Solving -6 + x = -9.949874371 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = -9.949874371 + 6 Combine like terms: -6 + 6 = 0 0 + x = -9.949874371 + 6 x = -9.949874371 + 6 Combine like terms: -9.949874371 + 6 = -3.949874371 x = -3.949874371 Simplifying x = -3.949874371Solution
The solution to the problem is based on the solutions from the subproblems. x = {15.949874371, -3.949874371}
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