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Simplifying X2 + -12x = 21 Solving X2 + -12x = 21 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '12x' to each side of the equation. X2 + -12x + 12x = 21 + 12x Combine like terms: -12x + 12x = 0 X2 + 0 = 21 + 12x X2 = 21 + 12x Simplifying X2 = 21 + 12x Reorder the terms: -21 + X2 + -12x = 21 + 12x + -21 + -12x Reorder the terms: -21 + X2 + -12x = 21 + -21 + 12x + -12x Combine like terms: 21 + -21 = 0 -21 + X2 + -12x = 0 + 12x + -12x -21 + X2 + -12x = 12x + -12x Combine like terms: 12x + -12x = 0 -21 + X2 + -12x = 0 The solution to this equation could not be determined.
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