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Simplifying X2 + 21x + 6 = 0 Reorder the terms: 6 + X2 + 21x = 0 Solving 6 + X2 + 21x = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + X2 + -6 + 21x = 0 + -6 Reorder the terms: 6 + -6 + X2 + 21x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + X2 + 21x = 0 + -6 X2 + 21x = 0 + -6 Combine like terms: 0 + -6 = -6 X2 + 21x = -6 Add '-21x' to each side of the equation. X2 + 21x + -21x = -6 + -21x Combine like terms: 21x + -21x = 0 X2 + 0 = -6 + -21x X2 = -6 + -21x Simplifying X2 = -6 + -21x Reorder the terms: 6 + X2 + 21x = -6 + -21x + 6 + 21x Reorder the terms: 6 + X2 + 21x = -6 + 6 + -21x + 21x Combine like terms: -6 + 6 = 0 6 + X2 + 21x = 0 + -21x + 21x 6 + X2 + 21x = -21x + 21x Combine like terms: -21x + 21x = 0 6 + X2 + 21x = 0 The solution to this equation could not be determined.
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