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Simplifying (x + 1)(2x + 5)(2x + 3)(x + 1) = 945 Reorder the terms: (1 + x)(2x + 5)(2x + 3)(x + 1) = 945 Reorder the terms: (1 + x)(5 + 2x)(2x + 3)(x + 1) = 945 Reorder the terms: (1 + x)(5 + 2x)(3 + 2x)(x + 1) = 945 Reorder the terms: (1 + x)(5 + 2x)(3 + 2x)(1 + x) = 945 Multiply (1 + x) * (5 + 2x) (1(5 + 2x) + x(5 + 2x))(3 + 2x)(1 + x) = 945 ((5 * 1 + 2x * 1) + x(5 + 2x))(3 + 2x)(1 + x) = 945 ((5 + 2x) + x(5 + 2x))(3 + 2x)(1 + x) = 945 (5 + 2x + (5 * x + 2x * x))(3 + 2x)(1 + x) = 945 (5 + 2x + (5x + 2x2))(3 + 2x)(1 + x) = 945 Combine like terms: 2x + 5x = 7x (5 + 7x + 2x2)(3 + 2x)(1 + x) = 945 Multiply (5 + 7x + 2x2) * (3 + 2x) (5(3 + 2x) + 7x * (3 + 2x) + 2x2 * (3 + 2x))(1 + x) = 945 ((3 * 5 + 2x * 5) + 7x * (3 + 2x) + 2x2 * (3 + 2x))(1 + x) = 945 ((15 + 10x) + 7x * (3 + 2x) + 2x2 * (3 + 2x))(1 + x) = 945 (15 + 10x + (3 * 7x + 2x * 7x) + 2x2 * (3 + 2x))(1 + x) = 945 (15 + 10x + (21x + 14x2) + 2x2 * (3 + 2x))(1 + x) = 945 (15 + 10x + 21x + 14x2 + (3 * 2x2 + 2x * 2x2))(1 + x) = 945 (15 + 10x + 21x + 14x2 + (6x2 + 4x3))(1 + x) = 945 Combine like terms: 10x + 21x = 31x (15 + 31x + 14x2 + 6x2 + 4x3)(1 + x) = 945 Combine like terms: 14x2 + 6x2 = 20x2 (15 + 31x + 20x2 + 4x3)(1 + x) = 945 Multiply (15 + 31x + 20x2 + 4x3) * (1 + x) (15(1 + x) + 31x * (1 + x) + 20x2 * (1 + x) + 4x3 * (1 + x)) = 945 ((1 * 15 + x * 15) + 31x * (1 + x) + 20x2 * (1 + x) + 4x3 * (1 + x)) = 945 ((15 + 15x) + 31x * (1 + x) + 20x2 * (1 + x) + 4x3 * (1 + x)) = 945 (15 + 15x + (1 * 31x + x * 31x) + 20x2 * (1 + x) + 4x3 * (1 + x)) = 945 (15 + 15x + (31x + 31x2) + 20x2 * (1 + x) + 4x3 * (1 + x)) = 945 (15 + 15x + 31x + 31x2 + (1 * 20x2 + x * 20x2) + 4x3 * (1 + x)) = 945 (15 + 15x + 31x + 31x2 + (20x2 + 20x3) + 4x3 * (1 + x)) = 945 (15 + 15x + 31x + 31x2 + 20x2 + 20x3 + (1 * 4x3 + x * 4x3)) = 945 (15 + 15x + 31x + 31x2 + 20x2 + 20x3 + (4x3 + 4x4)) = 945 Combine like terms: 15x + 31x = 46x (15 + 46x + 31x2 + 20x2 + 20x3 + 4x3 + 4x4) = 945 Combine like terms: 31x2 + 20x2 = 51x2 (15 + 46x + 51x2 + 20x3 + 4x3 + 4x4) = 945 Combine like terms: 20x3 + 4x3 = 24x3 (15 + 46x + 51x2 + 24x3 + 4x4) = 945 Solving 15 + 46x + 51x2 + 24x3 + 4x4 = 945 Solving for variable 'x'. Reorder the terms: 15 + -945 + 46x + 51x2 + 24x3 + 4x4 = 945 + -945 Combine like terms: 15 + -945 = -930 -930 + 46x + 51x2 + 24x3 + 4x4 = 945 + -945 Combine like terms: 945 + -945 = 0 -930 + 46x + 51x2 + 24x3 + 4x4 = 0 The solution to this equation could not be determined.
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