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Simplifying (7 + -1x)(x + -2)(x + 4) = 0 Reorder the terms: (7 + -1x)(-2 + x)(x + 4) = 0 Reorder the terms: (7 + -1x)(-2 + x)(4 + x) = 0 Multiply (7 + -1x) * (-2 + x) (7(-2 + x) + -1x * (-2 + x))(4 + x) = 0 ((-2 * 7 + x * 7) + -1x * (-2 + x))(4 + x) = 0 ((-14 + 7x) + -1x * (-2 + x))(4 + x) = 0 (-14 + 7x + (-2 * -1x + x * -1x))(4 + x) = 0 (-14 + 7x + (2x + -1x2))(4 + x) = 0 Combine like terms: 7x + 2x = 9x (-14 + 9x + -1x2)(4 + x) = 0 Multiply (-14 + 9x + -1x2) * (4 + x) (-14(4 + x) + 9x * (4 + x) + -1x2 * (4 + x)) = 0 ((4 * -14 + x * -14) + 9x * (4 + x) + -1x2 * (4 + x)) = 0 ((-56 + -14x) + 9x * (4 + x) + -1x2 * (4 + x)) = 0 (-56 + -14x + (4 * 9x + x * 9x) + -1x2 * (4 + x)) = 0 (-56 + -14x + (36x + 9x2) + -1x2 * (4 + x)) = 0 (-56 + -14x + 36x + 9x2 + (4 * -1x2 + x * -1x2)) = 0 (-56 + -14x + 36x + 9x2 + (-4x2 + -1x3)) = 0 Combine like terms: -14x + 36x = 22x (-56 + 22x + 9x2 + -4x2 + -1x3) = 0 Combine like terms: 9x2 + -4x2 = 5x2 (-56 + 22x + 5x2 + -1x3) = 0 Solving -56 + 22x + 5x2 + -1x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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