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Simplifying (4x + 9)(x + -4)(x + 1) = 0 Reorder the terms: (9 + 4x)(x + -4)(x + 1) = 0 Reorder the terms: (9 + 4x)(-4 + x)(x + 1) = 0 Reorder the terms: (9 + 4x)(-4 + x)(1 + x) = 0 Multiply (9 + 4x) * (-4 + x) (9(-4 + x) + 4x * (-4 + x))(1 + x) = 0 ((-4 * 9 + x * 9) + 4x * (-4 + x))(1 + x) = 0 ((-36 + 9x) + 4x * (-4 + x))(1 + x) = 0 (-36 + 9x + (-4 * 4x + x * 4x))(1 + x) = 0 (-36 + 9x + (-16x + 4x2))(1 + x) = 0 Combine like terms: 9x + -16x = -7x (-36 + -7x + 4x2)(1 + x) = 0 Multiply (-36 + -7x + 4x2) * (1 + x) (-36(1 + x) + -7x * (1 + x) + 4x2 * (1 + x)) = 0 ((1 * -36 + x * -36) + -7x * (1 + x) + 4x2 * (1 + x)) = 0 ((-36 + -36x) + -7x * (1 + x) + 4x2 * (1 + x)) = 0 (-36 + -36x + (1 * -7x + x * -7x) + 4x2 * (1 + x)) = 0 (-36 + -36x + (-7x + -7x2) + 4x2 * (1 + x)) = 0 (-36 + -36x + -7x + -7x2 + (1 * 4x2 + x * 4x2)) = 0 (-36 + -36x + -7x + -7x2 + (4x2 + 4x3)) = 0 Combine like terms: -36x + -7x = -43x (-36 + -43x + -7x2 + 4x2 + 4x3) = 0 Combine like terms: -7x2 + 4x2 = -3x2 (-36 + -43x + -3x2 + 4x3) = 0 Solving -36 + -43x + -3x2 + 4x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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