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Simplifying (2x + 1)(2x + 1) = (2x + 1)(2x + 1) Reorder the terms: (1 + 2x)(2x + 1) = (2x + 1)(2x + 1) Reorder the terms: (1 + 2x)(1 + 2x) = (2x + 1)(2x + 1) Multiply (1 + 2x) * (1 + 2x) (1(1 + 2x) + 2x * (1 + 2x)) = (2x + 1)(2x + 1) ((1 * 1 + 2x * 1) + 2x * (1 + 2x)) = (2x + 1)(2x + 1) ((1 + 2x) + 2x * (1 + 2x)) = (2x + 1)(2x + 1) (1 + 2x + (1 * 2x + 2x * 2x)) = (2x + 1)(2x + 1) (1 + 2x + (2x + 4x2)) = (2x + 1)(2x + 1) Combine like terms: 2x + 2x = 4x (1 + 4x + 4x2) = (2x + 1)(2x + 1) Reorder the terms: 1 + 4x + 4x2 = (1 + 2x)(2x + 1) Reorder the terms: 1 + 4x + 4x2 = (1 + 2x)(1 + 2x) Multiply (1 + 2x) * (1 + 2x) 1 + 4x + 4x2 = (1(1 + 2x) + 2x * (1 + 2x)) 1 + 4x + 4x2 = ((1 * 1 + 2x * 1) + 2x * (1 + 2x)) 1 + 4x + 4x2 = ((1 + 2x) + 2x * (1 + 2x)) 1 + 4x + 4x2 = (1 + 2x + (1 * 2x + 2x * 2x)) 1 + 4x + 4x2 = (1 + 2x + (2x + 4x2)) Combine like terms: 2x + 2x = 4x 1 + 4x + 4x2 = (1 + 4x + 4x2) Add '-1' to each side of the equation. 1 + 4x + -1 + 4x2 = 1 + 4x + -1 + 4x2 Reorder the terms: 1 + -1 + 4x + 4x2 = 1 + 4x + -1 + 4x2 Combine like terms: 1 + -1 = 0 0 + 4x + 4x2 = 1 + 4x + -1 + 4x2 4x + 4x2 = 1 + 4x + -1 + 4x2 Reorder the terms: 4x + 4x2 = 1 + -1 + 4x + 4x2 Combine like terms: 1 + -1 = 0 4x + 4x2 = 0 + 4x + 4x2 4x + 4x2 = 4x + 4x2 Add '-4x' to each side of the equation. 4x + -4x + 4x2 = 4x + -4x + 4x2 Combine like terms: 4x + -4x = 0 0 + 4x2 = 4x + -4x + 4x2 4x2 = 4x + -4x + 4x2 Combine like terms: 4x + -4x = 0 4x2 = 0 + 4x2 4x2 = 4x2 Add '-4x2' to each side of the equation. 4x2 + -4x2 = 4x2 + -4x2 Combine like terms: 4x2 + -4x2 = 0 0 = 4x2 + -4x2 Combine like terms: 4x2 + -4x2 = 0 0 = 0 Solving 0 = 0 Couldn't find a variable to solve for. This equation is an identity, all real numbers are solutions.
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