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Simplifying X2 + 21x + -196 = 0 Reorder the terms: -196 + X2 + 21x = 0 Solving -196 + X2 + 21x = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '196' to each side of the equation. -196 + X2 + 196 + 21x = 0 + 196 Reorder the terms: -196 + 196 + X2 + 21x = 0 + 196 Combine like terms: -196 + 196 = 0 0 + X2 + 21x = 0 + 196 X2 + 21x = 0 + 196 Combine like terms: 0 + 196 = 196 X2 + 21x = 196 Add '-21x' to each side of the equation. X2 + 21x + -21x = 196 + -21x Combine like terms: 21x + -21x = 0 X2 + 0 = 196 + -21x X2 = 196 + -21x Simplifying X2 = 196 + -21x Reorder the terms: -196 + X2 + 21x = 196 + -21x + -196 + 21x Reorder the terms: -196 + X2 + 21x = 196 + -196 + -21x + 21x Combine like terms: 196 + -196 = 0 -196 + X2 + 21x = 0 + -21x + 21x -196 + X2 + 21x = -21x + 21x Combine like terms: -21x + 21x = 0 -196 + X2 + 21x = 0 The solution to this equation could not be determined.
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