Question

(3x-4y) (3x+4y) (9x²+16y²) ​

Answer 1

Answer:

3(3x-4y)

Step-by-step explanation:

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Answer 2

Answer:

81x⁴-256y⁴

Step-by-step explanation:

(3x-4y) (3x+4y) (9x²+16y²)

(9x²-16y²)(9x²+16y²) [since (a-b)(a+b)=(a²-b²)]

81x⁴-256y⁴