$$\left\{4,\ -7\right\}$$  

$$\left\{-2,\ 14\right\}$$  

$$\left\{-4,\ 7\right\}$$  

$$\left\{-25,\ 28\right\}$$  

$$\left\{4,\ -7\right\}$$  

$$\left\{-2,\ 14\right\}$$  

$$\left\{-4,\ \frac{3}{2}\right\}$$  

$$\left\{-25,\ 28\right\}$$  

x = 2, 3

x = -2, -3

x = 2, 3

x = -2, 3

x = -3 and x = 6

x = 3 and x = -6

x = -9 and x = 2

x = 9 and x = -2

a = ^-3/₄, ³/₄

a = ^-4/₃, ⁴/₃

a = ^-9/₁₆, ⁹/₁₆

a = ^-16/₉, ¹⁶/₉

x = 3, 2

x = 5, 1

x = -5, -1

x = -3, -2

$$x=-\frac{5}{2}$$  and  $$x=3$$  

$$x=\frac{5}{2}$$  and  $$x=-3$$  

$$x=\frac{5}{2}$$  and  $$x=3$$  

$$x=-\frac{5}{2}$$  and  $$x=-3$$  

x= -2/3, 1/2

x= 2/3, -1/2

x= -2/3, -1/2

$$\left\{3,\ -5\right\}$$

$$\left\{-3,\ 2\right\}$$

$$\left\{-5,\ -3\right\}$$

$$\left\{3,\ -4\right\}$$

$$\left\{2,\ -1\right\}$$

$$\left\{-5,\ 5\right\}$$

$$\left\{-4,\ 1\right\}$$

$$\left\{-8,\ 6\right\}$$