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Simplifying (x + 7)(x3 + 4x2 + 8x + 3) = 0 Reorder the terms: (7 + x)(x3 + 4x2 + 8x + 3) = 0 Reorder the terms: (7 + x)(3 + 8x + 4x2 + x3) = 0 Multiply (7 + x) * (3 + 8x + 4x2 + x3) (7(3 + 8x + 4x2 + x3) + x(3 + 8x + 4x2 + x3)) = 0 ((3 * 7 + 8x * 7 + 4x2 * 7 + x3 * 7) + x(3 + 8x + 4x2 + x3)) = 0 ((21 + 56x + 28x2 + 7x3) + x(3 + 8x + 4x2 + x3)) = 0 (21 + 56x + 28x2 + 7x3 + (3 * x + 8x * x + 4x2 * x + x3 * x)) = 0 (21 + 56x + 28x2 + 7x3 + (3x + 8x2 + 4x3 + x4)) = 0 Reorder the terms: (21 + 56x + 3x + 28x2 + 8x2 + 7x3 + 4x3 + x4) = 0 Combine like terms: 56x + 3x = 59x (21 + 59x + 28x2 + 8x2 + 7x3 + 4x3 + x4) = 0 Combine like terms: 28x2 + 8x2 = 36x2 (21 + 59x + 36x2 + 7x3 + 4x3 + x4) = 0 Combine like terms: 7x3 + 4x3 = 11x3 (21 + 59x + 36x2 + 11x3 + x4) = 0 Solving 21 + 59x + 36x2 + 11x3 + x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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