Question

(4+ root 2) (4- root 2)​

Answer 1

(4+root 2)(4+root2)

(16+2)

18 is the answers

Answer 2

(4+root2)(4-root 2)

=(4)² -(root 2)²

=4×4 - root2 × root 2

=16- 2

= 14

is this help you ?? if yes give me a thanks plzz