Question

pls answer my question with steps​

Answer 1

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Answer 2

Answer:

p⁴-81 =

(p²+9)(p-3)(p+3)

Step-by-step explanation:

p⁴-81 =

p⁴+(3×3×3×3) =

p⁴-3⁴ =

(p²)²-(3²)² =¹

(p²+3²)(p²-3²) =²

(p²+9)(p+3)(p-3)

¹ and ²both time converted by the rule :-

(a²-b²) = (a+b)(a-b)

hope it helps.