Answer :

Answer:

the answer is b^2 i don't know the answer either

Step-by-step explanation:

Answer:

9x^4 - 25/9x^6.

Step-by-step explanation:

3x^2 * 3x^2 = 9x^4  and

5/3x^3 * 5/3x^3 = 25/9x^6

The answer is 9x^4 - 25/9x^6.

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