Math, asked by riyaRose66, 4 months ago

(2a2 + 9) (2a2 – 9)
Find the suitable identity ​

Answers

Answered by Pragyapal2007
5

Answer:

2a²(2a²-9)+9(2a²-9)

Step-by-step explanation:

4a⁴-18a²+18a²-81

4a⁴-36a⁴-81

-32-81

-11

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