Answer:
55 + 14 sqrt(6)
Step-by-step explanation:
(7+√6)(7+√6)
We can figure out this problem by FOILing
First : 7*7 = 49
Outer: 7* sqrt(6) = 7 sqrt(6)
Inner: 7* sqrt(6) = 7 sqrt(6)
Last: sqrt(6) * sqrt(6) = 6
Add these together
49+ 7 sqrt(6)+ 7 sqrt(6)+6
55 + 14 sqrt(6)
