Question

x square +Z Square minos 2xz factorise

Answer 1

x²+z²-2xz
=x²-2xz+z²

which is of the form
(a-b)²=a²-2ab+b²

So it will Become as...

(x-z)²


so the Factors are...
(x-z) and (x-z) Respectively( as it is (x-z)²)

Hope it helps...

Answer 2

it is a form of (a-b) ^2 = a^2+b^2-2ab