Question

simplify: (x + y + z)² - (x - y + z)²​

Answer 1

Here's your answer...hope it helps!

Answer 2

Answer:

0

Step-by-step explanation:

by (a^2-b^2)= (a+b)(a-b) formula

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

=2(x+y+z)×0

=0