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Simplifying 12 = (x)(x + 4)(x + -1) Reorder the terms: 12 = x(4 + x)(x + -1) Reorder the terms: 12 = x(4 + x)(-1 + x) Multiply (4 + x) * (-1 + x) 12 = x(4(-1 + x) + x(-1 + x)) 12 = x((-1 * 4 + x * 4) + x(-1 + x)) 12 = x((-4 + 4x) + x(-1 + x)) 12 = x(-4 + 4x + (-1 * x + x * x)) 12 = x(-4 + 4x + (-1x + x2)) Combine like terms: 4x + -1x = 3x 12 = x(-4 + 3x + x2) 12 = (-4 * x + 3x * x + x2 * x) 12 = (-4x + 3x2 + x3) Solving 12 = -4x + 3x2 + x3 Solving for variable 'x'. Reorder the terms: 12 + 4x + -3x2 + -1x3 = -4x + 4x + 3x2 + -3x2 + x3 + -1x3 Combine like terms: -4x + 4x = 0 12 + 4x + -3x2 + -1x3 = 0 + 3x2 + -3x2 + x3 + -1x3 12 + 4x + -3x2 + -1x3 = 3x2 + -3x2 + x3 + -1x3 Combine like terms: 3x2 + -3x2 = 0 12 + 4x + -3x2 + -1x3 = 0 + x3 + -1x3 12 + 4x + -3x2 + -1x3 = x3 + -1x3 Combine like terms: x3 + -1x3 = 0 12 + 4x + -3x2 + -1x3 = 0 The solution to this equation could not be determined.
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