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Simplifying (4x + -4)(8x + 4) = 180 Reorder the terms: (-4 + 4x)(8x + 4) = 180 Reorder the terms: (-4 + 4x)(4 + 8x) = 180 Multiply (-4 + 4x) * (4 + 8x) (-4(4 + 8x) + 4x * (4 + 8x)) = 180 ((4 * -4 + 8x * -4) + 4x * (4 + 8x)) = 180 ((-16 + -32x) + 4x * (4 + 8x)) = 180 (-16 + -32x + (4 * 4x + 8x * 4x)) = 180 (-16 + -32x + (16x + 32x2)) = 180 Combine like terms: -32x + 16x = -16x (-16 + -16x + 32x2) = 180 Solving -16 + -16x + 32x2 = 180 Solving for variable 'x'. Reorder the terms: -16 + -180 + -16x + 32x2 = 180 + -180 Combine like terms: -16 + -180 = -196 -196 + -16x + 32x2 = 180 + -180 Combine like terms: 180 + -180 = 0 -196 + -16x + 32x2 = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(-49 + -4x + 8x2) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(-49 + -4x + 8x2)' equal to zero and attempt to solve: Simplifying -49 + -4x + 8x2 = 0 Solving -49 + -4x + 8x2 = 0 Begin completing the square. Divide all terms by 8 the coefficient of the squared term: Divide each side by '8'. -6.125 + -0.5x + x2 = 0 Move the constant term to the right: Add '6.125' to each side of the equation. -6.125 + -0.5x + 6.125 + x2 = 0 + 6.125 Reorder the terms: -6.125 + 6.125 + -0.5x + x2 = 0 + 6.125 Combine like terms: -6.125 + 6.125 = 0.000 0.000 + -0.5x + x2 = 0 + 6.125 -0.5x + x2 = 0 + 6.125 Combine like terms: 0 + 6.125 = 6.125 -0.5x + x2 = 6.125 The x term is -0.5x. Take half its coefficient (-0.25). Square it (0.0625) and add it to both sides. Add '0.0625' to each side of the equation. -0.5x + 0.0625 + x2 = 6.125 + 0.0625 Reorder the terms: 0.0625 + -0.5x + x2 = 6.125 + 0.0625 Combine like terms: 6.125 + 0.0625 = 6.1875 0.0625 + -0.5x + x2 = 6.1875 Factor a perfect square on the left side: (x + -0.25)(x + -0.25) = 6.1875 Calculate the square root of the right side: 2.487468593 Break this problem into two subproblems by setting (x + -0.25) equal to 2.487468593 and -2.487468593.Subproblem 1
x + -0.25 = 2.487468593 Simplifying x + -0.25 = 2.487468593 Reorder the terms: -0.25 + x = 2.487468593 Solving -0.25 + x = 2.487468593 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.25' to each side of the equation. -0.25 + 0.25 + x = 2.487468593 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.00 + x = 2.487468593 + 0.25 x = 2.487468593 + 0.25 Combine like terms: 2.487468593 + 0.25 = 2.737468593 x = 2.737468593 Simplifying x = 2.737468593Subproblem 2
x + -0.25 = -2.487468593 Simplifying x + -0.25 = -2.487468593 Reorder the terms: -0.25 + x = -2.487468593 Solving -0.25 + x = -2.487468593 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.25' to each side of the equation. -0.25 + 0.25 + x = -2.487468593 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.00 + x = -2.487468593 + 0.25 x = -2.487468593 + 0.25 Combine like terms: -2.487468593 + 0.25 = -2.237468593 x = -2.237468593 Simplifying x = -2.237468593Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.737468593, -2.237468593}Solution
x = {2.737468593, -2.237468593}
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