Simplify (x+y+z)^2-(x-y+z)^2
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Answer:
4(xy+yz)
Step-by-step explanation:
Given,
(x+y+z)^2-(x-y+z)^2
As we compare with a^2-b^2,
Then we get,
(x+y+z+x-y+z) (x+y+z-x+y-z)
⇒(2x+2z)×2y
⇒4(xy+yz)
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