If 4 + 2 = 18, 3 + 1 = 10, 2 + 3 = 7, 5 + 2 = 27 then 7 + 2 = ?

Question

What would be value of ? in the following matrix

6 2 3 5 9  
3 5 6 4 18 
4 9 3 5 27  
2 7 4 5 ? 

Answer 1

4 + 2 = 18, 3 + 1 = 10, 2 + 3 = 7, 5 + 2 = 27 then 7 + 2 = ?
ANSWER IS
4*4+2=18
3*3+1=10
2*2+3=7
5*5+2=27
7*7+2=51

Answer 2

answer------------------51