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Simplifying (2x + -1)(x + -3) = (x + 5)(x + -1) Reorder the terms: (-1 + 2x)(x + -3) = (x + 5)(x + -1) Reorder the terms: (-1 + 2x)(-3 + x) = (x + 5)(x + -1) Multiply (-1 + 2x) * (-3 + x) (-1(-3 + x) + 2x * (-3 + x)) = (x + 5)(x + -1) ((-3 * -1 + x * -1) + 2x * (-3 + x)) = (x + 5)(x + -1) ((3 + -1x) + 2x * (-3 + x)) = (x + 5)(x + -1) (3 + -1x + (-3 * 2x + x * 2x)) = (x + 5)(x + -1) (3 + -1x + (-6x + 2x2)) = (x + 5)(x + -1) Combine like terms: -1x + -6x = -7x (3 + -7x + 2x2) = (x + 5)(x + -1) Reorder the terms: 3 + -7x + 2x2 = (5 + x)(x + -1) Reorder the terms: 3 + -7x + 2x2 = (5 + x)(-1 + x) Multiply (5 + x) * (-1 + x) 3 + -7x + 2x2 = (5(-1 + x) + x(-1 + x)) 3 + -7x + 2x2 = ((-1 * 5 + x * 5) + x(-1 + x)) 3 + -7x + 2x2 = ((-5 + 5x) + x(-1 + x)) 3 + -7x + 2x2 = (-5 + 5x + (-1 * x + x * x)) 3 + -7x + 2x2 = (-5 + 5x + (-1x + x2)) Combine like terms: 5x + -1x = 4x 3 + -7x + 2x2 = (-5 + 4x + x2) Solving 3 + -7x + 2x2 = -5 + 4x + x2 Solving for variable 'x'. Reorder the terms: 3 + 5 + -7x + -4x + 2x2 + -1x2 = -5 + 4x + x2 + 5 + -4x + -1x2 Combine like terms: 3 + 5 = 8 8 + -7x + -4x + 2x2 + -1x2 = -5 + 4x + x2 + 5 + -4x + -1x2 Combine like terms: -7x + -4x = -11x 8 + -11x + 2x2 + -1x2 = -5 + 4x + x2 + 5 + -4x + -1x2 Combine like terms: 2x2 + -1x2 = 1x2 8 + -11x + 1x2 = -5 + 4x + x2 + 5 + -4x + -1x2 Reorder the terms: 8 + -11x + 1x2 = -5 + 5 + 4x + -4x + x2 + -1x2 Combine like terms: -5 + 5 = 0 8 + -11x + 1x2 = 0 + 4x + -4x + x2 + -1x2 8 + -11x + 1x2 = 4x + -4x + x2 + -1x2 Combine like terms: 4x + -4x = 0 8 + -11x + 1x2 = 0 + x2 + -1x2 8 + -11x + 1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 8 + -11x + 1x2 = 0 Begin completing the square. Move the constant term to the right: Add '-8' to each side of the equation. 8 + -11x + -8 + x2 = 0 + -8 Reorder the terms: 8 + -8 + -11x + x2 = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -11x + x2 = 0 + -8 -11x + x2 = 0 + -8 Combine like terms: 0 + -8 = -8 -11x + x2 = -8 The x term is -11x. Take half its coefficient (-5.5). Square it (30.25) and add it to both sides. Add '30.25' to each side of the equation. -11x + 30.25 + x2 = -8 + 30.25 Reorder the terms: 30.25 + -11x + x2 = -8 + 30.25 Combine like terms: -8 + 30.25 = 22.25 30.25 + -11x + x2 = 22.25 Factor a perfect square on the left side: (x + -5.5)(x + -5.5) = 22.25 Calculate the square root of the right side: 4.716990566 Break this problem into two subproblems by setting (x + -5.5) equal to 4.716990566 and -4.716990566.Subproblem 1
x + -5.5 = 4.716990566 Simplifying x + -5.5 = 4.716990566 Reorder the terms: -5.5 + x = 4.716990566 Solving -5.5 + x = 4.716990566 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = 4.716990566 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = 4.716990566 + 5.5 x = 4.716990566 + 5.5 Combine like terms: 4.716990566 + 5.5 = 10.216990566 x = 10.216990566 Simplifying x = 10.216990566Subproblem 2
x + -5.5 = -4.716990566 Simplifying x + -5.5 = -4.716990566 Reorder the terms: -5.5 + x = -4.716990566 Solving -5.5 + x = -4.716990566 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = -4.716990566 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = -4.716990566 + 5.5 x = -4.716990566 + 5.5 Combine like terms: -4.716990566 + 5.5 = 0.783009434 x = 0.783009434 Simplifying x = 0.783009434Solution
The solution to the problem is based on the solutions from the subproblems. x = {10.216990566, 0.783009434}
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