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Simplifying (2x + 1)(3x + 2) = 5x(x + 1) + 1 Reorder the terms: (1 + 2x)(3x + 2) = 5x(x + 1) + 1 Reorder the terms: (1 + 2x)(2 + 3x) = 5x(x + 1) + 1 Multiply (1 + 2x) * (2 + 3x) (1(2 + 3x) + 2x * (2 + 3x)) = 5x(x + 1) + 1 ((2 * 1 + 3x * 1) + 2x * (2 + 3x)) = 5x(x + 1) + 1 ((2 + 3x) + 2x * (2 + 3x)) = 5x(x + 1) + 1 (2 + 3x + (2 * 2x + 3x * 2x)) = 5x(x + 1) + 1 (2 + 3x + (4x + 6x2)) = 5x(x + 1) + 1 Combine like terms: 3x + 4x = 7x (2 + 7x + 6x2) = 5x(x + 1) + 1 Reorder the terms: 2 + 7x + 6x2 = 5x(1 + x) + 1 2 + 7x + 6x2 = (1 * 5x + x * 5x) + 1 2 + 7x + 6x2 = (5x + 5x2) + 1 Reorder the terms: 2 + 7x + 6x2 = 1 + 5x + 5x2 Solving 2 + 7x + 6x2 = 1 + 5x + 5x2 Solving for variable 'x'. Reorder the terms: 2 + -1 + 7x + -5x + 6x2 + -5x2 = 1 + 5x + 5x2 + -1 + -5x + -5x2 Combine like terms: 2 + -1 = 1 1 + 7x + -5x + 6x2 + -5x2 = 1 + 5x + 5x2 + -1 + -5x + -5x2 Combine like terms: 7x + -5x = 2x 1 + 2x + 6x2 + -5x2 = 1 + 5x + 5x2 + -1 + -5x + -5x2 Combine like terms: 6x2 + -5x2 = 1x2 1 + 2x + 1x2 = 1 + 5x + 5x2 + -1 + -5x + -5x2 Reorder the terms: 1 + 2x + 1x2 = 1 + -1 + 5x + -5x + 5x2 + -5x2 Combine like terms: 1 + -1 = 0 1 + 2x + 1x2 = 0 + 5x + -5x + 5x2 + -5x2 1 + 2x + 1x2 = 5x + -5x + 5x2 + -5x2 Combine like terms: 5x + -5x = 0 1 + 2x + 1x2 = 0 + 5x2 + -5x2 1 + 2x + 1x2 = 5x2 + -5x2 Combine like terms: 5x2 + -5x2 = 0 1 + 2x + 1x2 = 0 Factor a trinomial. (1 + x)(1 + x) = 0Subproblem 1
Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1Subproblem 2
Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1Solution
x = {-1, -1}
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