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Simplifying X3 + -21x + 10 = 0 Reorder the terms: 10 + X3 + -21x = 0 Solving 10 + X3 + -21x = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + X3 + -10 + -21x = 0 + -10 Reorder the terms: 10 + -10 + X3 + -21x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + X3 + -21x = 0 + -10 X3 + -21x = 0 + -10 Combine like terms: 0 + -10 = -10 X3 + -21x = -10 Add '21x' to each side of the equation. X3 + -21x + 21x = -10 + 21x Combine like terms: -21x + 21x = 0 X3 + 0 = -10 + 21x X3 = -10 + 21x Simplifying X3 = -10 + 21x Reorder the terms: 10 + X3 + -21x = -10 + 21x + 10 + -21x Reorder the terms: 10 + X3 + -21x = -10 + 10 + 21x + -21x Combine like terms: -10 + 10 = 0 10 + X3 + -21x = 0 + 21x + -21x 10 + X3 + -21x = 21x + -21x Combine like terms: 21x + -21x = 0 10 + X3 + -21x = 0 The solution to this equation could not be determined.
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