Answer:
z=4
Step-by-step explanation:
[tex]\frac{x^{x*2} }{x^{5} } =x^{3}[/tex]
[tex]\frac{x^{2z} }{x^{5} } =x^{3}[/tex]
[tex]x^{2z-5} =x^{3}[/tex]
2z-5=3
2z=3+5
2z=8
z=8/2
