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Simplifying (x + 7)(x + 2)(x + -1) = 0 Reorder the terms: (7 + x)(x + 2)(x + -1) = 0 Reorder the terms: (7 + x)(2 + x)(x + -1) = 0 Reorder the terms: (7 + x)(2 + x)(-1 + x) = 0 Multiply (7 + x) * (2 + x) (7(2 + x) + x(2 + x))(-1 + x) = 0 ((2 * 7 + x * 7) + x(2 + x))(-1 + x) = 0 ((14 + 7x) + x(2 + x))(-1 + x) = 0 (14 + 7x + (2 * x + x * x))(-1 + x) = 0 (14 + 7x + (2x + x2))(-1 + x) = 0 Combine like terms: 7x + 2x = 9x (14 + 9x + x2)(-1 + x) = 0 Multiply (14 + 9x + x2) * (-1 + x) (14(-1 + x) + 9x * (-1 + x) + x2(-1 + x)) = 0 ((-1 * 14 + x * 14) + 9x * (-1 + x) + x2(-1 + x)) = 0 ((-14 + 14x) + 9x * (-1 + x) + x2(-1 + x)) = 0 (-14 + 14x + (-1 * 9x + x * 9x) + x2(-1 + x)) = 0 (-14 + 14x + (-9x + 9x2) + x2(-1 + x)) = 0 (-14 + 14x + -9x + 9x2 + (-1 * x2 + x * x2)) = 0 (-14 + 14x + -9x + 9x2 + (-1x2 + x3)) = 0 Combine like terms: 14x + -9x = 5x (-14 + 5x + 9x2 + -1x2 + x3) = 0 Combine like terms: 9x2 + -1x2 = 8x2 (-14 + 5x + 8x2 + x3) = 0 Solving -14 + 5x + 8x2 + x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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