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Simplifying x(x + 1)(x + 2)(x + 3) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) Reorder the terms: x(1 + x)(x + 2)(x + 3) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) Reorder the terms: x(1 + x)(2 + x)(x + 3) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) Reorder the terms: x(1 + x)(2 + x)(3 + x) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) Multiply (1 + x) * (2 + x) x(1(2 + x) + x(2 + x))(3 + x) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) x((2 * 1 + x * 1) + x(2 + x))(3 + x) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) x((2 + 1x) + x(2 + x))(3 + x) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) x(2 + 1x + (2 * x + x * x))(3 + x) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) x(2 + 1x + (2x + x2))(3 + x) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) Combine like terms: 1x + 2x = 3x x(2 + 3x + x2)(3 + x) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) Multiply (2 + 3x + x2) * (3 + x) x(2(3 + x) + 3x * (3 + x) + x2(3 + x)) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) x((3 * 2 + x * 2) + 3x * (3 + x) + x2(3 + x)) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) x((6 + 2x) + 3x * (3 + x) + x2(3 + x)) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) x(6 + 2x + (3 * 3x + x * 3x) + x2(3 + x)) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) x(6 + 2x + (9x + 3x2) + x2(3 + x)) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) x(6 + 2x + 9x + 3x2 + (3 * x2 + x * x2)) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) x(6 + 2x + 9x + 3x2 + (3x2 + x3)) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) Combine like terms: 2x + 9x = 11x x(6 + 11x + 3x2 + 3x2 + x3) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) Combine like terms: 3x2 + 3x2 = 6x2 x(6 + 11x + 6x2 + x3) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) (6 * x + 11x * x + 6x2 * x + x3 * x) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) (6x + 11x2 + 6x3 + x4) + 1 = (x2 + 3x + 1)(x2 + 3x + 1) Reorder the terms: 1 + 6x + 11x2 + 6x3 + x4 = (x2 + 3x + 1)(x2 + 3x + 1) Reorder the terms: 1 + 6x + 11x2 + 6x3 + x4 = (1 + 3x + x2)(x2 + 3x + 1) Reorder the terms: 1 + 6x + 11x2 + 6x3 + x4 = (1 + 3x + x2)(1 + 3x + x2) Multiply (1 + 3x + x2) * (1 + 3x + x2) 1 + 6x + 11x2 + 6x3 + x4 = (1(1 + 3x + x2) + 3x * (1 + 3x + x2) + x2(1 + 3x + x2)) 1 + 6x + 11x2 + 6x3 + x4 = ((1 * 1 + 3x * 1 + x2 * 1) + 3x * (1 + 3x + x2) + x2(1 + 3x + x2)) 1 + 6x + 11x2 + 6x3 + x4 = ((1 + 3x + 1x2) + 3x * (1 + 3x + x2) + x2(1 + 3x + x2)) 1 + 6x + 11x2 + 6x3 + x4 = (1 + 3x + 1x2 + (1 * 3x + 3x * 3x + x2 * 3x) + x2(1 + 3x + x2)) 1 + 6x + 11x2 + 6x3 + x4 = (1 + 3x + 1x2 + (3x + 9x2 + 3x3) + x2(1 + 3x + x2)) 1 + 6x + 11x2 + 6x3 + x4 = (1 + 3x + 1x2 + 3x + 9x2 + 3x3 + (1 * x2 + 3x * x2 + x2 * x2)) 1 + 6x + 11x2 + 6x3 + x4 = (1 + 3x + 1x2 + 3x + 9x2 + 3x3 + (1x2 + 3x3 + x4)) Reorder the terms: 1 + 6x + 11x2 + 6x3 + x4 = (1 + 3x + 3x + 1x2 + 9x2 + 1x2 + 3x3 + 3x3 + x4) Combine like terms: 3x + 3x = 6x 1 + 6x + 11x2 + 6x3 + x4 = (1 + 6x + 1x2 + 9x2 + 1x2 + 3x3 + 3x3 + x4) Combine like terms: 1x2 + 9x2 = 10x2 1 + 6x + 11x2 + 6x3 + x4 = (1 + 6x + 10x2 + 1x2 + 3x3 + 3x3 + x4) Combine like terms: 10x2 + 1x2 = 11x2 1 + 6x + 11x2 + 6x3 + x4 = (1 + 6x + 11x2 + 3x3 + 3x3 + x4) Combine like terms: 3x3 + 3x3 = 6x3 1 + 6x + 11x2 + 6x3 + x4 = (1 + 6x + 11x2 + 6x3 + x4) Add '-1' to each side of the equation. 1 + 6x + 11x2 + 6x3 + -1 + x4 = 1 + 6x + 11x2 + 6x3 + -1 + x4 Reorder the terms: 1 + -1 + 6x + 11x2 + 6x3 + x4 = 1 + 6x + 11x2 + 6x3 + -1 + x4 Combine like terms: 1 + -1 = 0 0 + 6x + 11x2 + 6x3 + x4 = 1 + 6x + 11x2 + 6x3 + -1 + x4 6x + 11x2 + 6x3 + x4 = 1 + 6x + 11x2 + 6x3 + -1 + x4 Reorder the terms: 6x + 11x2 + 6x3 + x4 = 1 + -1 + 6x + 11x2 + 6x3 + x4 Combine like terms: 1 + -1 = 0 6x + 11x2 + 6x3 + x4 = 0 + 6x + 11x2 + 6x3 + x4 6x + 11x2 + 6x3 + x4 = 6x + 11x2 + 6x3 + x4 Add '-6x' to each side of the equation. 6x + 11x2 + 6x3 + -6x + x4 = 6x + 11x2 + 6x3 + -6x + x4 Reorder the terms: 6x + -6x + 11x2 + 6x3 + x4 = 6x + 11x2 + 6x3 + -6x + x4 Combine like terms: 6x + -6x = 0 0 + 11x2 + 6x3 + x4 = 6x + 11x2 + 6x3 + -6x + x4 11x2 + 6x3 + x4 = 6x + 11x2 + 6x3 + -6x + x4 Reorder the terms: 11x2 + 6x3 + x4 = 6x + -6x + 11x2 + 6x3 + x4 Combine like terms: 6x + -6x = 0 11x2 + 6x3 + x4 = 0 + 11x2 + 6x3 + x4 11x2 + 6x3 + x4 = 11x2 + 6x3 + x4 Add '-11x2' to each side of the equation. 11x2 + 6x3 + -11x2 + x4 = 11x2 + 6x3 + -11x2 + x4 Reorder the terms: 11x2 + -11x2 + 6x3 + x4 = 11x2 + 6x3 + -11x2 + x4 Combine like terms: 11x2 + -11x2 = 0 0 + 6x3 + x4 = 11x2 + 6x3 + -11x2 + x4 6x3 + x4 = 11x2 + 6x3 + -11x2 + x4 Reorder the terms: 6x3 + x4 = 11x2 + -11x2 + 6x3 + x4 Combine like terms: 11x2 + -11x2 = 0 6x3 + x4 = 0 + 6x3 + x4 6x3 + x4 = 6x3 + x4 Add '-6x3' to each side of the equation. 6x3 + -6x3 + x4 = 6x3 + -6x3 + x4 Combine like terms: 6x3 + -6x3 = 0 0 + x4 = 6x3 + -6x3 + x4 x4 = 6x3 + -6x3 + x4 Combine like terms: 6x3 + -6x3 = 0 x4 = 0 + x4 x4 = x4 Add '-1x4' to each side of the equation. x4 + -1x4 = x4 + -1x4 Combine like terms: x4 + -1x4 = 0 0 = x4 + -1x4 Combine like terms: x4 + -1x4 = 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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