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Simplifying (x + 3)(x + -7)(x + 8) = 0 Reorder the terms: (3 + x)(x + -7)(x + 8) = 0 Reorder the terms: (3 + x)(-7 + x)(x + 8) = 0 Reorder the terms: (3 + x)(-7 + x)(8 + x) = 0 Multiply (3 + x) * (-7 + x) (3(-7 + x) + x(-7 + x))(8 + x) = 0 ((-7 * 3 + x * 3) + x(-7 + x))(8 + x) = 0 ((-21 + 3x) + x(-7 + x))(8 + x) = 0 (-21 + 3x + (-7 * x + x * x))(8 + x) = 0 (-21 + 3x + (-7x + x2))(8 + x) = 0 Combine like terms: 3x + -7x = -4x (-21 + -4x + x2)(8 + x) = 0 Multiply (-21 + -4x + x2) * (8 + x) (-21(8 + x) + -4x * (8 + x) + x2(8 + x)) = 0 ((8 * -21 + x * -21) + -4x * (8 + x) + x2(8 + x)) = 0 ((-168 + -21x) + -4x * (8 + x) + x2(8 + x)) = 0 (-168 + -21x + (8 * -4x + x * -4x) + x2(8 + x)) = 0 (-168 + -21x + (-32x + -4x2) + x2(8 + x)) = 0 (-168 + -21x + -32x + -4x2 + (8 * x2 + x * x2)) = 0 (-168 + -21x + -32x + -4x2 + (8x2 + x3)) = 0 Combine like terms: -21x + -32x = -53x (-168 + -53x + -4x2 + 8x2 + x3) = 0 Combine like terms: -4x2 + 8x2 = 4x2 (-168 + -53x + 4x2 + x3) = 0 Solving -168 + -53x + 4x2 + x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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