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Simplifying (2x + -1)(5x + 4)(x + 4) = 0 Reorder the terms: (-1 + 2x)(5x + 4)(x + 4) = 0 Reorder the terms: (-1 + 2x)(4 + 5x)(x + 4) = 0 Reorder the terms: (-1 + 2x)(4 + 5x)(4 + x) = 0 Multiply (-1 + 2x) * (4 + 5x) (-1(4 + 5x) + 2x * (4 + 5x))(4 + x) = 0 ((4 * -1 + 5x * -1) + 2x * (4 + 5x))(4 + x) = 0 ((-4 + -5x) + 2x * (4 + 5x))(4 + x) = 0 (-4 + -5x + (4 * 2x + 5x * 2x))(4 + x) = 0 (-4 + -5x + (8x + 10x2))(4 + x) = 0 Combine like terms: -5x + 8x = 3x (-4 + 3x + 10x2)(4 + x) = 0 Multiply (-4 + 3x + 10x2) * (4 + x) (-4(4 + x) + 3x * (4 + x) + 10x2 * (4 + x)) = 0 ((4 * -4 + x * -4) + 3x * (4 + x) + 10x2 * (4 + x)) = 0 ((-16 + -4x) + 3x * (4 + x) + 10x2 * (4 + x)) = 0 (-16 + -4x + (4 * 3x + x * 3x) + 10x2 * (4 + x)) = 0 (-16 + -4x + (12x + 3x2) + 10x2 * (4 + x)) = 0 (-16 + -4x + 12x + 3x2 + (4 * 10x2 + x * 10x2)) = 0 (-16 + -4x + 12x + 3x2 + (40x2 + 10x3)) = 0 Combine like terms: -4x + 12x = 8x (-16 + 8x + 3x2 + 40x2 + 10x3) = 0 Combine like terms: 3x2 + 40x2 = 43x2 (-16 + 8x + 43x2 + 10x3) = 0 Solving -16 + 8x + 43x2 + 10x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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