Thank you for the opportunity to help you with your question!
Multiplication of powers, just add powers
So it becomes 15x^4y^9.
work is not shown so I can't give you credit
Like terms together, 5×3=15
X^3×X^1= X ^(3+1)
Y^4 ×Y^5 =Y^(4+5)
So the final answer = 15X^4Y^9.
Thank you very much. ..i beg your pardon for assuming. Am always ready to help .
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