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Simplifying X2 + -21x + -20 = 0 Reorder the terms: -20 + X2 + -21x = 0 Solving -20 + X2 + -21x = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '20' to each side of the equation. -20 + X2 + 20 + -21x = 0 + 20 Reorder the terms: -20 + 20 + X2 + -21x = 0 + 20 Combine like terms: -20 + 20 = 0 0 + X2 + -21x = 0 + 20 X2 + -21x = 0 + 20 Combine like terms: 0 + 20 = 20 X2 + -21x = 20 Add '21x' to each side of the equation. X2 + -21x + 21x = 20 + 21x Combine like terms: -21x + 21x = 0 X2 + 0 = 20 + 21x X2 = 20 + 21x Simplifying X2 = 20 + 21x Reorder the terms: -20 + X2 + -21x = 20 + 21x + -20 + -21x Reorder the terms: -20 + X2 + -21x = 20 + -20 + 21x + -21x Combine like terms: 20 + -20 = 0 -20 + X2 + -21x = 0 + 21x + -21x -20 + X2 + -21x = 21x + -21x Combine like terms: 21x + -21x = 0 -20 + X2 + -21x = 0 The solution to this equation could not be determined.
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