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Simplifying 4x(x + -512) = 660 Reorder the terms: 4x(-512 + x) = 660 (-512 * 4x + x * 4x) = 660 (-2048x + 4x2) = 660 Solving -2048x + 4x2 = 660 Solving for variable 'x'. Reorder the terms: -660 + -2048x + 4x2 = 660 + -660 Combine like terms: 660 + -660 = 0 -660 + -2048x + 4x2 = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(-165 + -512x + x2) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(-165 + -512x + x2)' equal to zero and attempt to solve: Simplifying -165 + -512x + x2 = 0 Solving -165 + -512x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '165' to each side of the equation. -165 + -512x + 165 + x2 = 0 + 165 Reorder the terms: -165 + 165 + -512x + x2 = 0 + 165 Combine like terms: -165 + 165 = 0 0 + -512x + x2 = 0 + 165 -512x + x2 = 0 + 165 Combine like terms: 0 + 165 = 165 -512x + x2 = 165 The x term is -512x. Take half its coefficient (-256). Square it (65536) and add it to both sides. Add '65536' to each side of the equation. -512x + 65536 + x2 = 165 + 65536 Reorder the terms: 65536 + -512x + x2 = 165 + 65536 Combine like terms: 165 + 65536 = 65701 65536 + -512x + x2 = 65701 Factor a perfect square on the left side: (x + -256)(x + -256) = 65701 Calculate the square root of the right side: 256.322063038 Break this problem into two subproblems by setting (x + -256) equal to 256.322063038 and -256.322063038.Subproblem 1
x + -256 = 256.322063038 Simplifying x + -256 = 256.322063038 Reorder the terms: -256 + x = 256.322063038 Solving -256 + x = 256.322063038 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '256' to each side of the equation. -256 + 256 + x = 256.322063038 + 256 Combine like terms: -256 + 256 = 0 0 + x = 256.322063038 + 256 x = 256.322063038 + 256 Combine like terms: 256.322063038 + 256 = 512.322063038 x = 512.322063038 Simplifying x = 512.322063038Subproblem 2
x + -256 = -256.322063038 Simplifying x + -256 = -256.322063038 Reorder the terms: -256 + x = -256.322063038 Solving -256 + x = -256.322063038 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '256' to each side of the equation. -256 + 256 + x = -256.322063038 + 256 Combine like terms: -256 + 256 = 0 0 + x = -256.322063038 + 256 x = -256.322063038 + 256 Combine like terms: -256.322063038 + 256 = -0.322063038 x = -0.322063038 Simplifying x = -0.322063038Solution
The solution to the problem is based on the solutions from the subproblems. x = {512.322063038, -0.322063038}Solution
x = {512.322063038, -0.322063038}
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