[REQ_ERR: 405] [KTrafficClient] Something is wrong. Enable debug mode to see the reason.

If 8(x y)^3-27(x-y)^3=(5y-x)(ax^2 by^2 cxy) then what is the value of (a b-c)

July 8, 2019
if 8(x y)^3-27(x-y)^3=(5y-x)(ax^2 by^2 cxy) then what is the value of (a b-c)