Question 890438
(root 5 + 2* root 3) ( 7 + 4*root 3)=

7*root 5 + 14*root 3 + 4*root(5*3) + (2*4)*root(3*3)=

7*root 5 + 14*root 3 + 4*root 15 + 8*3=

24 + 14 root(3) + 7 root(5) + 4 root(15)