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Simplifying (5 + -1x)(-2 + -1x)(1 + -1x) + -140 + 28x = 0 Multiply (5 + -1x) * (-2 + -1x) (5(-2 + -1x) + -1x * (-2 + -1x))(1 + -1x) + -140 + 28x = 0 ((-2 * 5 + -1x * 5) + -1x * (-2 + -1x))(1 + -1x) + -140 + 28x = 0 ((-10 + -5x) + -1x * (-2 + -1x))(1 + -1x) + -140 + 28x = 0 (-10 + -5x + (-2 * -1x + -1x * -1x))(1 + -1x) + -140 + 28x = 0 (-10 + -5x + (2x + 1x2))(1 + -1x) + -140 + 28x = 0 Combine like terms: -5x + 2x = -3x (-10 + -3x + 1x2)(1 + -1x) + -140 + 28x = 0 Multiply (-10 + -3x + 1x2) * (1 + -1x) (-10(1 + -1x) + -3x * (1 + -1x) + 1x2 * (1 + -1x)) + -140 + 28x = 0 ((1 * -10 + -1x * -10) + -3x * (1 + -1x) + 1x2 * (1 + -1x)) + -140 + 28x = 0 ((-10 + 10x) + -3x * (1 + -1x) + 1x2 * (1 + -1x)) + -140 + 28x = 0 (-10 + 10x + (1 * -3x + -1x * -3x) + 1x2 * (1 + -1x)) + -140 + 28x = 0 (-10 + 10x + (-3x + 3x2) + 1x2 * (1 + -1x)) + -140 + 28x = 0 (-10 + 10x + -3x + 3x2 + (1 * 1x2 + -1x * 1x2)) + -140 + 28x = 0 (-10 + 10x + -3x + 3x2 + (1x2 + -1x3)) + -140 + 28x = 0 Combine like terms: 10x + -3x = 7x (-10 + 7x + 3x2 + 1x2 + -1x3) + -140 + 28x = 0 Combine like terms: 3x2 + 1x2 = 4x2 (-10 + 7x + 4x2 + -1x3) + -140 + 28x = 0 Reorder the terms: -10 + -140 + 7x + 28x + 4x2 + -1x3 = 0 Combine like terms: -10 + -140 = -150 -150 + 7x + 28x + 4x2 + -1x3 = 0 Combine like terms: 7x + 28x = 35x -150 + 35x + 4x2 + -1x3 = 0 Solving -150 + 35x + 4x2 + -1x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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