Question

I need help with number 8.

Answer 1

- 8/xy

Answer:

`\frac{64xy}{ - 8 {x}^(2) {y}^(2) } \\ ✓determine \: the \: sign \\ - \frac{64xy}{8 {x}^(2) {y}^(2)} \\ ✓cross \: out \: the \: common \: factor \\ - \frac{8xy}{{x}^(2) {y}^(2)} \\ ✓cross \: out \: the \: common \: factor \: \\ - \frac{8y}{x {y}^(2) } \\ ✓cross \: ut \: the \: cmmon \: factor \\ - (8)/(xy)`