Question

The expression x^2 - y^2 - z^2 + 2yz + x + y - Z
has a factor​

Answer 1

Answer:

2x^2-y-2z^2+2yz

Step-by-step explanation:

x^2+x-y^2+y-z^2-z+2yz

=2x^2-y-2z^2+2yz