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Simplifying X2 + 21x + 100 = 0 Reorder the terms: 100 + X2 + 21x = 0 Solving 100 + X2 + 21x = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-100' to each side of the equation. 100 + X2 + -100 + 21x = 0 + -100 Reorder the terms: 100 + -100 + X2 + 21x = 0 + -100 Combine like terms: 100 + -100 = 0 0 + X2 + 21x = 0 + -100 X2 + 21x = 0 + -100 Combine like terms: 0 + -100 = -100 X2 + 21x = -100 Add '-21x' to each side of the equation. X2 + 21x + -21x = -100 + -21x Combine like terms: 21x + -21x = 0 X2 + 0 = -100 + -21x X2 = -100 + -21x Simplifying X2 = -100 + -21x Reorder the terms: 100 + X2 + 21x = -100 + -21x + 100 + 21x Reorder the terms: 100 + X2 + 21x = -100 + 100 + -21x + 21x Combine like terms: -100 + 100 = 0 100 + X2 + 21x = 0 + -21x + 21x 100 + X2 + 21x = -21x + 21x Combine like terms: -21x + 21x = 0 100 + X2 + 21x = 0 The solution to this equation could not be determined.
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