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Simplifying 21p2 + 84 = 0 Reorder the terms: 84 + 21p2 = 0 Solving 84 + 21p2 = 0 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-84' to each side of the equation. 84 + -84 + 21p2 = 0 + -84 Combine like terms: 84 + -84 = 0 0 + 21p2 = 0 + -84 21p2 = 0 + -84 Combine like terms: 0 + -84 = -84 21p2 = -84 Divide each side by '21'. p2 = -4 Simplifying p2 = -4 Reorder the terms: 4 + p2 = -4 + 4 Combine like terms: -4 + 4 = 0 4 + p2 = 0 The solution to this equation could not be determined.
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