Question

( x + y ) ( x - y ) = ________________
step by step plz..​

Answer 1

$→(x + y)(x - y)$

$→ {x}^{2} - xy + yx - {y}^{2}$

$→ {x}^{2} - {y}^{2}$

$( {x}^{2} - {y}^{2} )$

Answer 2

=( x-y )^2

it's not have any explanation

this is the simple formula