Answer:
x^-5/y·x^15
Explanation:
the reason is because the y is two so both of them will become one and the x will carry the value of -5 and the other x you carry the value of 15
(x/y)² (x/y)^15=
(x/y)^(2+15)
(x/y)^17=
x^17/y^17
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