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

asked Jul 21, 2020 51.9k views

5 votes

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

Am I correct?

5.7k points

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3 votes

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)

Kechit Goyal answered Jul 27, 2020

4.6k points

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