Question

Can x^2 + y^2 + z^2 + 2xy - 2xz - 2yz be factorised even further?
Please help

Answer 1

Answer:

$your \: answer \: is \: in \: the \: attachment$

Step-by-step explanation:

$hope \: it \: helped \: you \: friend$

Answer 2

Answer:

(x+y+z)²= x²+y²+z²+2xy+2yz+2xz

there fore, x²+y²+z²+2xy-2yz-2xz can be factorised further..

Step-by-step explanation:

x²+y²+z²+2xy-2yz-2xz = (x-y+z)²

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

so the factors are (x-y+z) (x-y+z)