Question

Factorize: p⁴-81
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Answer 1

Answer:

here is the answer hope it helps :)

Answer 2

Answer:

$( {p}^{2} + 9)(p + 3)(p - 3)$

Step-by-step explanation:

${p}^{4} - 81 \\ = ( {p}^{2} )^{2} - {(9)}^{2} \\ = ( {p}^{2} + 9)( {p}^{2} - 9) \\ = ( {p}^{2} + 9)(( {p)}^{2} - ( {3)}^{2} ) \\ = ( {p}^{2} + 9)(p + 3)(p - 3).$