Question

When factored completely, the expression p^4−81 is equivalent to

Question 2 options:

(p2+9)(p2−9)

(p2−9)(p2−9)

(p2+9)(p+3)(p−3)

(p+3)(p−3)(p+3)(p−3)

Answer 1

(p2+9)(p+3)(p-3)

Explanation:

(p^4-81) = (p2+9)(p2-9)

= (p2+9)(p+3)(p-3)