Question

XY
4. (x - y) (x - y) - (x + y) (x + y) equals​

Answer 1

Hey mate,

here is your answer...

4. (x-y) (x-y) -(x+y)(x+y)

=(x-y) whole square-(x+y) whole square

= (x sq.-2xy+y sq. )-(x sq. +2xy+y sq.)

=x square -2xy + y square -x square -2xy -y square

= -2xy -2xy

=-4xy

hope it helps you...

plzz mark my answer as brainlist.....