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Simplifying X3 + -8x2 + -21x + 108 = 0 Reorder the terms: 108 + X3 + -21x + -8x2 = 0 Solving 108 + X3 + -21x + -8x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-108' to each side of the equation. 108 + X3 + -21x + -108 + -8x2 = 0 + -108 Reorder the terms: 108 + -108 + X3 + -21x + -8x2 = 0 + -108 Combine like terms: 108 + -108 = 0 0 + X3 + -21x + -8x2 = 0 + -108 X3 + -21x + -8x2 = 0 + -108 Combine like terms: 0 + -108 = -108 X3 + -21x + -8x2 = -108 Add '21x' to each side of the equation. X3 + -21x + 21x + -8x2 = -108 + 21x Combine like terms: -21x + 21x = 0 X3 + 0 + -8x2 = -108 + 21x X3 + -8x2 = -108 + 21x Add '8x2' to each side of the equation. X3 + -8x2 + 8x2 = -108 + 21x + 8x2 Combine like terms: -8x2 + 8x2 = 0 X3 + 0 = -108 + 21x + 8x2 X3 = -108 + 21x + 8x2 Simplifying X3 = -108 + 21x + 8x2 Reorder the terms: 108 + X3 + -21x + -8x2 = -108 + 21x + 8x2 + 108 + -21x + -8x2 Reorder the terms: 108 + X3 + -21x + -8x2 = -108 + 108 + 21x + -21x + 8x2 + -8x2 Combine like terms: -108 + 108 = 0 108 + X3 + -21x + -8x2 = 0 + 21x + -21x + 8x2 + -8x2 108 + X3 + -21x + -8x2 = 21x + -21x + 8x2 + -8x2 Combine like terms: 21x + -21x = 0 108 + X3 + -21x + -8x2 = 0 + 8x2 + -8x2 108 + X3 + -21x + -8x2 = 8x2 + -8x2 Combine like terms: 8x2 + -8x2 = 0 108 + X3 + -21x + -8x2 = 0 The solution to this equation could not be determined.
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