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)

asked Feb 12, 2022 130k views

1 vote

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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3 votes

The answer is option 3 (p^2+9)(p+3)(p-3) because you use the difference of squares formula

HansUp answered Feb 18, 2022

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