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Simplifying (7x + 5)(4x2 + 3x + 5) = 0 Reorder the terms: (5 + 7x)(4x2 + 3x + 5) = 0 Reorder the terms: (5 + 7x)(5 + 3x + 4x2) = 0 Multiply (5 + 7x) * (5 + 3x + 4x2) (5(5 + 3x + 4x2) + 7x * (5 + 3x + 4x2)) = 0 ((5 * 5 + 3x * 5 + 4x2 * 5) + 7x * (5 + 3x + 4x2)) = 0 ((25 + 15x + 20x2) + 7x * (5 + 3x + 4x2)) = 0 (25 + 15x + 20x2 + (5 * 7x + 3x * 7x + 4x2 * 7x)) = 0 (25 + 15x + 20x2 + (35x + 21x2 + 28x3)) = 0 Reorder the terms: (25 + 15x + 35x + 20x2 + 21x2 + 28x3) = 0 Combine like terms: 15x + 35x = 50x (25 + 50x + 20x2 + 21x2 + 28x3) = 0 Combine like terms: 20x2 + 21x2 = 41x2 (25 + 50x + 41x2 + 28x3) = 0 Solving 25 + 50x + 41x2 + 28x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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