Answer:
[tex] \frac{ - 8 {x}^{3} }{ {y}^{4} } [/tex] (first option)
Step-by-step explanation:
[tex] \frac{ - 32 {x}^{5} {y}^{3} }{4 {x}^{2} {y}^{7} } [/tex]
[tex] \frac{ - 8 {x}^{5} {y}^{3} }{ {x}^{2} {y}^{7} } = \frac{ - 8 {x}^{3} {y}^{ 3} }{ {y}^{7} } [/tex]
[tex] = \frac{ - 8 {x}^{3} }{ {y}^{4} } [/tex]
