+11, -11

+121, -121

+97, -97

no solution

+25, -25

+5, -5

no solution

+165, -165

+64, -64

no solution

+8, -8

+16, -16

+2, -2

+4, -4

no solution

+20, -20

+ 81, -81

+162, -162

+9, -9

no solution

+16, -16

+4, -4

+12, -12

no solution

+16, -16

+4, -4

+12, -12

no solution

-4 and 0

4 and 0

-2 and 4

0

 $\pm\sqrt{34}$  

 $\pm\sqrt{30}$  

 $\pm45$  

 $\pm3\sqrt{5}$  

 $\sqrt{26}$  

26

 $\pm\sqrt{26}$  

 $\pm26$  

 $\pm\frac{2}{7}$  

 $\pm\frac{7}{2}$  

 $\pm\frac{1}{7}$  

 $\pm\frac{4}{49}$  

 $\pm3\sqrt{3}$  

 $\pm9\sqrt{3}$  

 $\pm3\sqrt{9}$  

no real solutions

4 and - 2

 $\pm2\sqrt{4}$  

 $\pm4\sqrt{2}$  

no real solutions

x = 24

x = 24, x = -24

x = 12, x = -12

x = 12