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Simplifying (x + -7)(x + 4)(x + -1) = 0 Reorder the terms: (-7 + x)(x + 4)(x + -1) = 0 Reorder the terms: (-7 + x)(4 + x)(x + -1) = 0 Reorder the terms: (-7 + x)(4 + x)(-1 + x) = 0 Multiply (-7 + x) * (4 + x) (-7(4 + x) + x(4 + x))(-1 + x) = 0 ((4 * -7 + x * -7) + x(4 + x))(-1 + x) = 0 ((-28 + -7x) + x(4 + x))(-1 + x) = 0 (-28 + -7x + (4 * x + x * x))(-1 + x) = 0 (-28 + -7x + (4x + x2))(-1 + x) = 0 Combine like terms: -7x + 4x = -3x (-28 + -3x + x2)(-1 + x) = 0 Multiply (-28 + -3x + x2) * (-1 + x) (-28(-1 + x) + -3x * (-1 + x) + x2(-1 + x)) = 0 ((-1 * -28 + x * -28) + -3x * (-1 + x) + x2(-1 + x)) = 0 ((28 + -28x) + -3x * (-1 + x) + x2(-1 + x)) = 0 (28 + -28x + (-1 * -3x + x * -3x) + x2(-1 + x)) = 0 (28 + -28x + (3x + -3x2) + x2(-1 + x)) = 0 (28 + -28x + 3x + -3x2 + (-1 * x2 + x * x2)) = 0 (28 + -28x + 3x + -3x2 + (-1x2 + x3)) = 0 Combine like terms: -28x + 3x = -25x (28 + -25x + -3x2 + -1x2 + x3) = 0 Combine like terms: -3x2 + -1x2 = -4x2 (28 + -25x + -4x2 + x3) = 0 Solving 28 + -25x + -4x2 + x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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