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Simplifying (x + 1)(x + -6)(x + -7) = 0 Reorder the terms: (1 + x)(x + -6)(x + -7) = 0 Reorder the terms: (1 + x)(-6 + x)(x + -7) = 0 Reorder the terms: (1 + x)(-6 + x)(-7 + x) = 0 Multiply (1 + x) * (-6 + x) (1(-6 + x) + x(-6 + x))(-7 + x) = 0 ((-6 * 1 + x * 1) + x(-6 + x))(-7 + x) = 0 ((-6 + 1x) + x(-6 + x))(-7 + x) = 0 (-6 + 1x + (-6 * x + x * x))(-7 + x) = 0 (-6 + 1x + (-6x + x2))(-7 + x) = 0 Combine like terms: 1x + -6x = -5x (-6 + -5x + x2)(-7 + x) = 0 Multiply (-6 + -5x + x2) * (-7 + x) (-6(-7 + x) + -5x * (-7 + x) + x2(-7 + x)) = 0 ((-7 * -6 + x * -6) + -5x * (-7 + x) + x2(-7 + x)) = 0 ((42 + -6x) + -5x * (-7 + x) + x2(-7 + x)) = 0 (42 + -6x + (-7 * -5x + x * -5x) + x2(-7 + x)) = 0 (42 + -6x + (35x + -5x2) + x2(-7 + x)) = 0 (42 + -6x + 35x + -5x2 + (-7 * x2 + x * x2)) = 0 (42 + -6x + 35x + -5x2 + (-7x2 + x3)) = 0 Combine like terms: -6x + 35x = 29x (42 + 29x + -5x2 + -7x2 + x3) = 0 Combine like terms: -5x2 + -7x2 = -12x2 (42 + 29x + -12x2 + x3) = 0 Solving 42 + 29x + -12x2 + x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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