Question

factories
$27x {}^{3} + y {}^{3} + z {}^{3} - 9xyz$
​

Answer 1

(3x)³ + y³ + z³ - 9xyz

[here if {x+y+z = 0}

then,x³+y³+z³=3xyz]

= 3(3x)(y)(z) - 9xyz

= 9xyz - 9xyz = 0

${\red{\boxed{MARK \:AS \: BRAINLIEST}}}$

give thanks and follow me

Answer 2

(3x)³ + y³ + z³ - 9xyz

give thanks and follow me