Question

its urgent please answer x^2-2xy+y^2-z^2

Answer 1

Hey,

We have,

x2 -2xy + y2 - z2 = (x - y)2 - (z)2

= (x - y + z) (x - y - z)

 [Using: a2 - b2 = (a + b)(a - b)]

HOPE IT HELPS:-))