Addition and Subtraction of Radicals

• a

• b

• c

• none of these

• a

• b

• c

• none of these

• a

• b

• c

• none of these

• a

• b

• c

• none of these

• a

• b

• c

• none of these

• a

• b

• c

• none of these

 $Add\ \sqrt{2m+2}\ and\ \sqrt{8m+8}$  

•  $2\sqrt{2m+2}$  

•  $\sqrt{2m+2}$  

•  $3\sqrt{2m+2}$  

• none of these

 $Add\ \sqrt{12m^3},\ m\sqrt{27m,\ }and\ -\sqrt{300m^3}.$  

•  $-5m\sqrt{3m}$  

•  $5m\sqrt{3m}$  

•  $15m\sqrt{m}$  

• none of these

• a

• b

• c

• none of these

• a

• b

• c

• none of these