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Simplifying (2x + 5)(x + -3) = (x + 4)(x + -1) Reorder the terms: (5 + 2x)(x + -3) = (x + 4)(x + -1) Reorder the terms: (5 + 2x)(-3 + x) = (x + 4)(x + -1) Multiply (5 + 2x) * (-3 + x) (5(-3 + x) + 2x * (-3 + x)) = (x + 4)(x + -1) ((-3 * 5 + x * 5) + 2x * (-3 + x)) = (x + 4)(x + -1) ((-15 + 5x) + 2x * (-3 + x)) = (x + 4)(x + -1) (-15 + 5x + (-3 * 2x + x * 2x)) = (x + 4)(x + -1) (-15 + 5x + (-6x + 2x2)) = (x + 4)(x + -1) Combine like terms: 5x + -6x = -1x (-15 + -1x + 2x2) = (x + 4)(x + -1) Reorder the terms: -15 + -1x + 2x2 = (4 + x)(x + -1) Reorder the terms: -15 + -1x + 2x2 = (4 + x)(-1 + x) Multiply (4 + x) * (-1 + x) -15 + -1x + 2x2 = (4(-1 + x) + x(-1 + x)) -15 + -1x + 2x2 = ((-1 * 4 + x * 4) + x(-1 + x)) -15 + -1x + 2x2 = ((-4 + 4x) + x(-1 + x)) -15 + -1x + 2x2 = (-4 + 4x + (-1 * x + x * x)) -15 + -1x + 2x2 = (-4 + 4x + (-1x + x2)) Combine like terms: 4x + -1x = 3x -15 + -1x + 2x2 = (-4 + 3x + x2) Solving -15 + -1x + 2x2 = -4 + 3x + x2 Solving for variable 'x'. Reorder the terms: -15 + 4 + -1x + -3x + 2x2 + -1x2 = -4 + 3x + x2 + 4 + -3x + -1x2 Combine like terms: -15 + 4 = -11 -11 + -1x + -3x + 2x2 + -1x2 = -4 + 3x + x2 + 4 + -3x + -1x2 Combine like terms: -1x + -3x = -4x -11 + -4x + 2x2 + -1x2 = -4 + 3x + x2 + 4 + -3x + -1x2 Combine like terms: 2x2 + -1x2 = 1x2 -11 + -4x + 1x2 = -4 + 3x + x2 + 4 + -3x + -1x2 Reorder the terms: -11 + -4x + 1x2 = -4 + 4 + 3x + -3x + x2 + -1x2 Combine like terms: -4 + 4 = 0 -11 + -4x + 1x2 = 0 + 3x + -3x + x2 + -1x2 -11 + -4x + 1x2 = 3x + -3x + x2 + -1x2 Combine like terms: 3x + -3x = 0 -11 + -4x + 1x2 = 0 + x2 + -1x2 -11 + -4x + 1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -11 + -4x + 1x2 = 0 Begin completing the square. Move the constant term to the right: Add '11' to each side of the equation. -11 + -4x + 11 + x2 = 0 + 11 Reorder the terms: -11 + 11 + -4x + x2 = 0 + 11 Combine like terms: -11 + 11 = 0 0 + -4x + x2 = 0 + 11 -4x + x2 = 0 + 11 Combine like terms: 0 + 11 = 11 -4x + x2 = 11 The x term is -4x. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4x + 4 + x2 = 11 + 4 Reorder the terms: 4 + -4x + x2 = 11 + 4 Combine like terms: 11 + 4 = 15 4 + -4x + x2 = 15 Factor a perfect square on the left side: (x + -2)(x + -2) = 15 Calculate the square root of the right side: 3.872983346 Break this problem into two subproblems by setting (x + -2) equal to 3.872983346 and -3.872983346.Subproblem 1
x + -2 = 3.872983346 Simplifying x + -2 = 3.872983346 Reorder the terms: -2 + x = 3.872983346 Solving -2 + x = 3.872983346 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 3.872983346 + 2 Combine like terms: -2 + 2 = 0 0 + x = 3.872983346 + 2 x = 3.872983346 + 2 Combine like terms: 3.872983346 + 2 = 5.872983346 x = 5.872983346 Simplifying x = 5.872983346Subproblem 2
x + -2 = -3.872983346 Simplifying x + -2 = -3.872983346 Reorder the terms: -2 + x = -3.872983346 Solving -2 + x = -3.872983346 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -3.872983346 + 2 Combine like terms: -2 + 2 = 0 0 + x = -3.872983346 + 2 x = -3.872983346 + 2 Combine like terms: -3.872983346 + 2 = -1.872983346 x = -1.872983346 Simplifying x = -1.872983346Solution
The solution to the problem is based on the solutions from the subproblems. x = {5.872983346, -1.872983346}
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