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Simplifying X3 + x2 + 21x + 45 = 0 Reorder the terms: 45 + X3 + 21x + x2 = 0 Solving 45 + X3 + 21x + x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-45' to each side of the equation. 45 + X3 + 21x + -45 + x2 = 0 + -45 Reorder the terms: 45 + -45 + X3 + 21x + x2 = 0 + -45 Combine like terms: 45 + -45 = 0 0 + X3 + 21x + x2 = 0 + -45 X3 + 21x + x2 = 0 + -45 Combine like terms: 0 + -45 = -45 X3 + 21x + x2 = -45 Add '-21x' to each side of the equation. X3 + 21x + -21x + x2 = -45 + -21x Combine like terms: 21x + -21x = 0 X3 + 0 + x2 = -45 + -21x X3 + x2 = -45 + -21x Add '-1x2' to each side of the equation. X3 + x2 + -1x2 = -45 + -21x + -1x2 Combine like terms: x2 + -1x2 = 0 X3 + 0 = -45 + -21x + -1x2 X3 = -45 + -21x + -1x2 Simplifying X3 = -45 + -21x + -1x2 Reorder the terms: 45 + X3 + 21x + x2 = -45 + -21x + -1x2 + 45 + 21x + x2 Reorder the terms: 45 + X3 + 21x + x2 = -45 + 45 + -21x + 21x + -1x2 + x2 Combine like terms: -45 + 45 = 0 45 + X3 + 21x + x2 = 0 + -21x + 21x + -1x2 + x2 45 + X3 + 21x + x2 = -21x + 21x + -1x2 + x2 Combine like terms: -21x + 21x = 0 45 + X3 + 21x + x2 = 0 + -1x2 + x2 45 + X3 + 21x + x2 = -1x2 + x2 Combine like terms: -1x2 + x2 = 0 45 + X3 + 21x + x2 = 0 The solution to this equation could not be determined.
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