Question

36 x square y cube z square 45 x y square z square

Answer 1

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

Explanation:

Given (x²-2xy+y²)-z²

=(x-y)²-z²

/* By algebraic identity

a²-2ab+b² = (a-b)² */

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

/* a²-b² = (a+b)(a-b) */

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

Therefore,

(x²-2xy+y²)-z²=(x-y+z)(x-y-z)

Answer 2

can u plz complete the question. it seems to be incomplete