Question

solve 3z(3-x-y)-2(-2-x-y)+2z(2+x+y)​

Answer 1

Step-by-step explanation:

18

Given, x+2y+3z=0 and x

3 +4y 3 +9z 3

=18xyz

=>x+2y=−3z

also, =>2y+3z=−x

and =>3z+x=−2y

Now,xy

(x+2y)

2 + yz(2y+3z) x + zx(3z+x) 2

= xy(−3z)

2 + yz(−x) 2 + zx(−2y) 2

= xy9z 2 + zyx 2 + zx4y 2

= xyz9z 3 + xyzx 3 + xyz4y 3

= xyz9z 3 +x 3 +4y 3

= xyz18xyz

→ 18

Just a example hope you can do next urself !

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