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Simplifying (12x + 4)(8x + 32) = 180 Reorder the terms: (4 + 12x)(8x + 32) = 180 Reorder the terms: (4 + 12x)(32 + 8x) = 180 Multiply (4 + 12x) * (32 + 8x) (4(32 + 8x) + 12x * (32 + 8x)) = 180 ((32 * 4 + 8x * 4) + 12x * (32 + 8x)) = 180 ((128 + 32x) + 12x * (32 + 8x)) = 180 (128 + 32x + (32 * 12x + 8x * 12x)) = 180 (128 + 32x + (384x + 96x2)) = 180 Combine like terms: 32x + 384x = 416x (128 + 416x + 96x2) = 180 Solving 128 + 416x + 96x2 = 180 Solving for variable 'x'. Reorder the terms: 128 + -180 + 416x + 96x2 = 180 + -180 Combine like terms: 128 + -180 = -52 -52 + 416x + 96x2 = 180 + -180 Combine like terms: 180 + -180 = 0 -52 + 416x + 96x2 = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(-13 + 104x + 24x2) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(-13 + 104x + 24x2)' equal to zero and attempt to solve: Simplifying -13 + 104x + 24x2 = 0 Solving -13 + 104x + 24x2 = 0 Begin completing the square. Divide all terms by 24 the coefficient of the squared term: Divide each side by '24'. -0.5416666667 + 4.333333333x + x2 = 0 Move the constant term to the right: Add '0.5416666667' to each side of the equation. -0.5416666667 + 4.333333333x + 0.5416666667 + x2 = 0 + 0.5416666667 Reorder the terms: -0.5416666667 + 0.5416666667 + 4.333333333x + x2 = 0 + 0.5416666667 Combine like terms: -0.5416666667 + 0.5416666667 = 0.0000000000 0.0000000000 + 4.333333333x + x2 = 0 + 0.5416666667 4.333333333x + x2 = 0 + 0.5416666667 Combine like terms: 0 + 0.5416666667 = 0.5416666667 4.333333333x + x2 = 0.5416666667 The x term is 4.333333333x. Take half its coefficient (2.166666667). Square it (4.694444446) and add it to both sides. Add '4.694444446' to each side of the equation. 4.333333333x + 4.694444446 + x2 = 0.5416666667 + 4.694444446 Reorder the terms: 4.694444446 + 4.333333333x + x2 = 0.5416666667 + 4.694444446 Combine like terms: 0.5416666667 + 4.694444446 = 5.2361111127 4.694444446 + 4.333333333x + x2 = 5.2361111127 Factor a perfect square on the left side: (x + 2.166666667)(x + 2.166666667) = 5.2361111127 Calculate the square root of the right side: 2.288255037 Break this problem into two subproblems by setting (x + 2.166666667) equal to 2.288255037 and -2.288255037.Subproblem 1
x + 2.166666667 = 2.288255037 Simplifying x + 2.166666667 = 2.288255037 Reorder the terms: 2.166666667 + x = 2.288255037 Solving 2.166666667 + x = 2.288255037 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.166666667' to each side of the equation. 2.166666667 + -2.166666667 + x = 2.288255037 + -2.166666667 Combine like terms: 2.166666667 + -2.166666667 = 0.000000000 0.000000000 + x = 2.288255037 + -2.166666667 x = 2.288255037 + -2.166666667 Combine like terms: 2.288255037 + -2.166666667 = 0.12158837 x = 0.12158837 Simplifying x = 0.12158837Subproblem 2
x + 2.166666667 = -2.288255037 Simplifying x + 2.166666667 = -2.288255037 Reorder the terms: 2.166666667 + x = -2.288255037 Solving 2.166666667 + x = -2.288255037 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.166666667' to each side of the equation. 2.166666667 + -2.166666667 + x = -2.288255037 + -2.166666667 Combine like terms: 2.166666667 + -2.166666667 = 0.000000000 0.000000000 + x = -2.288255037 + -2.166666667 x = -2.288255037 + -2.166666667 Combine like terms: -2.288255037 + -2.166666667 = -4.454921704 x = -4.454921704 Simplifying x = -4.454921704Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.12158837, -4.454921704}Solution
x = {0.12158837, -4.454921704}
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