Question 296834
So the equation would be 

x^2 + 3y^2 + 2xy  then you will sub 5 for x and 1 for y

5^2 + 3(1)^2 + 2(5)(1)
25 + 3(1) + 10(1)
25 + 3 + 10 = 38

the ^2 mean to the second power or can also be called squared