Answer:
see explanation
Step-by-step explanation:
Given
[tex]p^{4}[/tex] - 16 ← difference of 2 squares and factors in general as
a² - b² = (a - b)(a + b)
[tex]p^{4}[/tex] - 16
= (p² )² - 4²
= (p² - 4)(p² + 4) ← (p² - 4) is also a difference of squares
= (p - 2)(p + 2)(p² + 4)
