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Simplifying (x + 2)(x + 3) = 4 Reorder the terms: (2 + x)(x + 3) = 4 Reorder the terms: (2 + x)(3 + x) = 4 Multiply (2 + x) * (3 + x) (2(3 + x) + x(3 + x)) = 4 ((3 * 2 + x * 2) + x(3 + x)) = 4 ((6 + 2x) + x(3 + x)) = 4 (6 + 2x + (3 * x + x * x)) = 4 (6 + 2x + (3x + x2)) = 4 Combine like terms: 2x + 3x = 5x (6 + 5x + x2) = 4 Solving 6 + 5x + x2 = 4 Solving for variable 'x'. Reorder the terms: 6 + -4 + 5x + x2 = 4 + -4 Combine like terms: 6 + -4 = 2 2 + 5x + x2 = 4 + -4 Combine like terms: 4 + -4 = 0 2 + 5x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-2' to each side of the equation. 2 + 5x + -2 + x2 = 0 + -2 Reorder the terms: 2 + -2 + 5x + x2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 5x + x2 = 0 + -2 5x + x2 = 0 + -2 Combine like terms: 0 + -2 = -2 5x + x2 = -2 The x term is 5x. Take half its coefficient (2.5). Square it (6.25) and add it to both sides. Add '6.25' to each side of the equation. 5x + 6.25 + x2 = -2 + 6.25 Reorder the terms: 6.25 + 5x + x2 = -2 + 6.25 Combine like terms: -2 + 6.25 = 4.25 6.25 + 5x + x2 = 4.25 Factor a perfect square on the left side: (x + 2.5)(x + 2.5) = 4.25 Calculate the square root of the right side: 2.061552813 Break this problem into two subproblems by setting (x + 2.5) equal to 2.061552813 and -2.061552813.Subproblem 1
x + 2.5 = 2.061552813 Simplifying x + 2.5 = 2.061552813 Reorder the terms: 2.5 + x = 2.061552813 Solving 2.5 + x = 2.061552813 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = 2.061552813 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = 2.061552813 + -2.5 x = 2.061552813 + -2.5 Combine like terms: 2.061552813 + -2.5 = -0.438447187 x = -0.438447187 Simplifying x = -0.438447187Subproblem 2
x + 2.5 = -2.061552813 Simplifying x + 2.5 = -2.061552813 Reorder the terms: 2.5 + x = -2.061552813 Solving 2.5 + x = -2.061552813 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = -2.061552813 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = -2.061552813 + -2.5 x = -2.061552813 + -2.5 Combine like terms: -2.061552813 + -2.5 = -4.561552813 x = -4.561552813 Simplifying x = -4.561552813Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.438447187, -4.561552813}
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