Question

(14+2) square this is my question please tell

Answer 1

(a+b)^2=a^2 + b^2+2ab
(14+2)=196 + 4 +2 x 14 x 2
          = 196 + 4 +56
          =256

Answer 2

(14+2)^2
=14^2+2^2+2×14×2
=196+4+42
=242