Question

(x+y+z)²+ (x+y-z)² please help me ​

Answer 1

Answer:

(x+y+z)2

this is right answer

mark as brainlest

Answer 2

Answer:

a=x+y+z

b=x-y-z

therefore. .....

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

(2x)(2y+2z)

4xy+4xz

hope it helps us