Question

5-2√5 =

3√5

3√2-4 1/2 =

√8-3

5 =

2*(√3+1)

0,5 =

2*(√7-4)

Answer 1

5-2√5 =    3√5

3√5           15

 

3√2-4 1/2  =   3√2-4 1/2

√8-3                √2-3   

 

      5   = 5

2*(√3+1)= 2(√3+2

 

   0,5    =  0,5

2*(√7-4  =2√7+8