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Simplifying (2x + 1)(2x + 1) + (x + 1)(x + -2) = 1 Reorder the terms: (1 + 2x)(2x + 1) + (x + 1)(x + -2) = 1 Reorder the terms: (1 + 2x)(1 + 2x) + (x + 1)(x + -2) = 1 Multiply (1 + 2x) * (1 + 2x) (1(1 + 2x) + 2x * (1 + 2x)) + (x + 1)(x + -2) = 1 ((1 * 1 + 2x * 1) + 2x * (1 + 2x)) + (x + 1)(x + -2) = 1 ((1 + 2x) + 2x * (1 + 2x)) + (x + 1)(x + -2) = 1 (1 + 2x + (1 * 2x + 2x * 2x)) + (x + 1)(x + -2) = 1 (1 + 2x + (2x + 4x2)) + (x + 1)(x + -2) = 1 Combine like terms: 2x + 2x = 4x (1 + 4x + 4x2) + (x + 1)(x + -2) = 1 Reorder the terms: 1 + 4x + 4x2 + (1 + x)(x + -2) = 1 Reorder the terms: 1 + 4x + 4x2 + (1 + x)(-2 + x) = 1 Multiply (1 + x) * (-2 + x) 1 + 4x + 4x2 + (1(-2 + x) + x(-2 + x)) = 1 1 + 4x + 4x2 + ((-2 * 1 + x * 1) + x(-2 + x)) = 1 1 + 4x + 4x2 + ((-2 + 1x) + x(-2 + x)) = 1 1 + 4x + 4x2 + (-2 + 1x + (-2 * x + x * x)) = 1 1 + 4x + 4x2 + (-2 + 1x + (-2x + x2)) = 1 Combine like terms: 1x + -2x = -1x 1 + 4x + 4x2 + (-2 + -1x + x2) = 1 Reorder the terms: 1 + -2 + 4x + -1x + 4x2 + x2 = 1 Combine like terms: 1 + -2 = -1 -1 + 4x + -1x + 4x2 + x2 = 1 Combine like terms: 4x + -1x = 3x -1 + 3x + 4x2 + x2 = 1 Combine like terms: 4x2 + x2 = 5x2 -1 + 3x + 5x2 = 1 Solving -1 + 3x + 5x2 = 1 Solving for variable 'x'. Reorder the terms: -1 + -1 + 3x + 5x2 = 1 + -1 Combine like terms: -1 + -1 = -2 -2 + 3x + 5x2 = 1 + -1 Combine like terms: 1 + -1 = 0 -2 + 3x + 5x2 = 0 Factor a trinomial. (-1 + -1x)(2 + -5x) = 0Subproblem 1
Set the factor '(-1 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 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 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1Subproblem 2
Set the factor '(2 + -5x)' equal to zero and attempt to solve: Simplifying 2 + -5x = 0 Solving 2 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -5x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5x = 0 + -2 -5x = 0 + -2 Combine like terms: 0 + -2 = -2 -5x = -2 Divide each side by '-5'. x = 0.4 Simplifying x = 0.4Solution
x = {-1, 0.4}
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