Question

If 3x – 4Y + 5Z=0 then 27x3 -64y3+125 Z3=___________​

Answer 1

Answer:

-180xyz

Step-by-step explanation:

as we know

if a+b+c = 0

then a³+b³+c³ =3abc

in this question

a= 3x

b= -4y

c= 5z

27x³ - 64y³ +125z³

(3x)³ - (4y)³ + (5z)³

using identity

3*3x*5z*-4y

-180xyz

I m not sure about the answer u can recheck it