landenDfisher
landenDfisher
12.05.2021 • 
Mathematics

When factored completely, the expression p4 - 81 is equivalent to 1. (p2+9)(p2-9)
2. (p2-9)(p2-9)
3. (p2+9)(p+3)(p-3)
4. (p+3)(p-3)(p+3)(p-3)​

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