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Simplifying (4x + -1)(4x + 1)(x + -4) = 0 Reorder the terms: (-1 + 4x)(4x + 1)(x + -4) = 0 Reorder the terms: (-1 + 4x)(1 + 4x)(x + -4) = 0 Reorder the terms: (-1 + 4x)(1 + 4x)(-4 + x) = 0 Multiply (-1 + 4x) * (1 + 4x) (-1(1 + 4x) + 4x * (1 + 4x))(-4 + x) = 0 ((1 * -1 + 4x * -1) + 4x * (1 + 4x))(-4 + x) = 0 ((-1 + -4x) + 4x * (1 + 4x))(-4 + x) = 0 (-1 + -4x + (1 * 4x + 4x * 4x))(-4 + x) = 0 (-1 + -4x + (4x + 16x2))(-4 + x) = 0 Combine like terms: -4x + 4x = 0 (-1 + 0 + 16x2)(-4 + x) = 0 (-1 + 16x2)(-4 + x) = 0 Multiply (-1 + 16x2) * (-4 + x) (-1(-4 + x) + 16x2 * (-4 + x)) = 0 ((-4 * -1 + x * -1) + 16x2 * (-4 + x)) = 0 ((4 + -1x) + 16x2 * (-4 + x)) = 0 (4 + -1x + (-4 * 16x2 + x * 16x2)) = 0 (4 + -1x + (-64x2 + 16x3)) = 0 (4 + -1x + -64x2 + 16x3) = 0 Solving 4 + -1x + -64x2 + 16x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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