Question

simplify (2a-3b)(2a+3b) +(a²-b²)=??? ​

Answer 1

Answer:

5a²- 10b²

Step-by-step explanation:

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Answer 2

Answer:

4a^2 - 9b^2

Step-by-step explanation:

(2a-3b) (2a+3b)

4a^2 +6ab-6ab -9b^2

4a^2 -9b^2 ans