Question

If:
2+2=9
3+3=19
4+4=33
then
5+5=??

Answer 1

2^2+2^2 +1=9
3^2+3^2 +1=19
4^2+4^2 +1=33
5^2+5^2 +1=51

Answer 2

1. 2+2 x 2 +1 = 9
2. 3+3 x 3 +1 =19
3. 4+4 x 4 + 1= 33
4. 5+5 x 5 + 1= 51