Question

Simplify using suitable identities (x + y +z)^2 - (x - y +z )^2
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Answer 1

Answer:

Here is your answer mate. Hope it helps

Answer 2

Answer:

4(xy+yz)

Step-by-step explanation:

Using identity

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

(x+y+z)^2-(x-y+z)^2=(x+y+z+x-y+z)(x+y+z-x+y-z)=(2x+2z)(2y)=4(xy+xz)