Simplify. 3 square root of 5 end root minus 2 square root of 2 end root plus square root of 45 end root minus square root of 28

2 square root of 12

2 square root of 2

6 square root of 5 end root minus 4 square root of 7

6 square root of 10 end root minus 4 square root of 14

Question

Simplify. 3 square root of 5 end root minus 2 square root of 2 end root plus square root of 45 end root minus square root of 28


2 square root of 12 

2 square root of 2 

6 square root of 5 end root minus 4 square root of 7	

6 square root of 10 end root minus 4 square root of 14

anonymous · Answer

@Mokeira

mokeira · Answer

$$3\sqrt{5}-2\sqrt{2}+\sqrt{45}$$
first try and simplify$$\sqrt{45}$$
tell me what you get

anonymous · Answer

I'm not sure

anonymous · Answer

Can you explain what I have to do to simplify?

mokeira · Answer

try to think of two number you would multiply to get 45

anonymous · Answer

9 times 5

mokeira · Answer

exactly so $$\sqrt{9\times5}$$
simplify