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Simplifying (16x + -4)(9x + -6) = 58 Reorder the terms: (-4 + 16x)(9x + -6) = 58 Reorder the terms: (-4 + 16x)(-6 + 9x) = 58 Multiply (-4 + 16x) * (-6 + 9x) (-4(-6 + 9x) + 16x * (-6 + 9x)) = 58 ((-6 * -4 + 9x * -4) + 16x * (-6 + 9x)) = 58 ((24 + -36x) + 16x * (-6 + 9x)) = 58 (24 + -36x + (-6 * 16x + 9x * 16x)) = 58 (24 + -36x + (-96x + 144x2)) = 58 Combine like terms: -36x + -96x = -132x (24 + -132x + 144x2) = 58 Solving 24 + -132x + 144x2 = 58 Solving for variable 'x'. Reorder the terms: 24 + -58 + -132x + 144x2 = 58 + -58 Combine like terms: 24 + -58 = -34 -34 + -132x + 144x2 = 58 + -58 Combine like terms: 58 + -58 = 0 -34 + -132x + 144x2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-17 + -66x + 72x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-17 + -66x + 72x2)' equal to zero and attempt to solve: Simplifying -17 + -66x + 72x2 = 0 Solving -17 + -66x + 72x2 = 0 Begin completing the square. Divide all terms by 72 the coefficient of the squared term: Divide each side by '72'. -0.2361111111 + -0.9166666667x + x2 = 0 Move the constant term to the right: Add '0.2361111111' to each side of the equation. -0.2361111111 + -0.9166666667x + 0.2361111111 + x2 = 0 + 0.2361111111 Reorder the terms: -0.2361111111 + 0.2361111111 + -0.9166666667x + x2 = 0 + 0.2361111111 Combine like terms: -0.2361111111 + 0.2361111111 = 0.0000000000 0.0000000000 + -0.9166666667x + x2 = 0 + 0.2361111111 -0.9166666667x + x2 = 0 + 0.2361111111 Combine like terms: 0 + 0.2361111111 = 0.2361111111 -0.9166666667x + x2 = 0.2361111111 The x term is -0.9166666667x. Take half its coefficient (-0.4583333334). Square it (0.2100694445) and add it to both sides. Add '0.2100694445' to each side of the equation. -0.9166666667x + 0.2100694445 + x2 = 0.2361111111 + 0.2100694445 Reorder the terms: 0.2100694445 + -0.9166666667x + x2 = 0.2361111111 + 0.2100694445 Combine like terms: 0.2361111111 + 0.2100694445 = 0.4461805556 0.2100694445 + -0.9166666667x + x2 = 0.4461805556 Factor a perfect square on the left side: (x + -0.4583333334)(x + -0.4583333334) = 0.4461805556 Calculate the square root of the right side: 0.667967481 Break this problem into two subproblems by setting (x + -0.4583333334) equal to 0.667967481 and -0.667967481.Subproblem 1
x + -0.4583333334 = 0.667967481 Simplifying x + -0.4583333334 = 0.667967481 Reorder the terms: -0.4583333334 + x = 0.667967481 Solving -0.4583333334 + x = 0.667967481 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4583333334' to each side of the equation. -0.4583333334 + 0.4583333334 + x = 0.667967481 + 0.4583333334 Combine like terms: -0.4583333334 + 0.4583333334 = 0.0000000000 0.0000000000 + x = 0.667967481 + 0.4583333334 x = 0.667967481 + 0.4583333334 Combine like terms: 0.667967481 + 0.4583333334 = 1.1263008144 x = 1.1263008144 Simplifying x = 1.1263008144Subproblem 2
x + -0.4583333334 = -0.667967481 Simplifying x + -0.4583333334 = -0.667967481 Reorder the terms: -0.4583333334 + x = -0.667967481 Solving -0.4583333334 + x = -0.667967481 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4583333334' to each side of the equation. -0.4583333334 + 0.4583333334 + x = -0.667967481 + 0.4583333334 Combine like terms: -0.4583333334 + 0.4583333334 = 0.0000000000 0.0000000000 + x = -0.667967481 + 0.4583333334 x = -0.667967481 + 0.4583333334 Combine like terms: -0.667967481 + 0.4583333334 = -0.2096341476 x = -0.2096341476 Simplifying x = -0.2096341476Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.1263008144, -0.2096341476}Solution
x = {1.1263008144, -0.2096341476}
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