Question

22. x² + y2 -z² - 2xy​

Answer 1

Answer:

x2+y2-2xy-z2

x2-2xy+y2-z2

(x)2-2.x.y+(y)2-z2

(x-y)2-(z)2

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

Step-by-step explanation:

HERE'S THE SOLUTION

Answer 2

Step-by-step explanation:

=x2+y2-z2-2xy

• x2+y2-2xy-z2
• (x-y)2-z2
• (x-y+z)(x-y-z)