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Simplifying X2 + 20x + -12 = 9 Reorder the terms: -12 + X2 + 20x = 9 Solving -12 + X2 + 20x = 9 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '12' to each side of the equation. -12 + X2 + 12 + 20x = 9 + 12 Reorder the terms: -12 + 12 + X2 + 20x = 9 + 12 Combine like terms: -12 + 12 = 0 0 + X2 + 20x = 9 + 12 X2 + 20x = 9 + 12 Combine like terms: 9 + 12 = 21 X2 + 20x = 21 Add '-20x' to each side of the equation. X2 + 20x + -20x = 21 + -20x Combine like terms: 20x + -20x = 0 X2 + 0 = 21 + -20x X2 = 21 + -20x Simplifying X2 = 21 + -20x Reorder the terms: -21 + X2 + 20x = 21 + -20x + -21 + 20x Reorder the terms: -21 + X2 + 20x = 21 + -21 + -20x + 20x Combine like terms: 21 + -21 = 0 -21 + X2 + 20x = 0 + -20x + 20x -21 + X2 + 20x = -20x + 20x Combine like terms: -20x + 20x = 0 -21 + X2 + 20x = 0 The solution to this equation could not be determined.
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