Question

x³+y³-z³-3xyz ( WHAT IS THE ANSWER??)
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Answer 1

Step-by-step explanation:

we know

that

it is an identity

x³+y³-z³-3xyz =( x+y-z) (x²+y²-z²-xy-yz-xz)

let

x+y-z = 0

then

x³+y³-z³-3xyz = (0)(x² + y² - z² - xy -yz - cuz)

= 0

x³+y³- z³ = 3xyz is answer.

shall I say one .....many times I did the below identity....

x³+y³+z³ -3xyz ...

if my answer is wrong forgive me....

thank you......

Answer 2

Answer:

=(x+y+z)(x²+y²+z²-xy-yz-zx)

Step-by-step explanation: