Respuesta :

tanisha37
9: x^15-8
= x^7

10: n^22-13
= n^9

11: (x^3)^-9
= x^3*-9
=x^-18
=1/x^18


12: (ab)^4
=a^4*b^4

13: x^-5
=1/x^5

14: x^7\y^7



I hope this will help you

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