What is the completely factored form of d^4-81? Am I correct?

Question

asked Jul 21, 2020 51.9k views

1 Answer

Kechit Goyal · Answer 1 · 2020-07-27T18:33:17+0000

Answer:

The answer to your question is: The second option is the correct one.

Explanation:

You are wrong

d⁴ - 81

(d²)² - (3²)²

(d² - 3²)(d² + 3²)

(d - 3)(d + 3)(d² + 9)