Find the value of `64 x^3-\ 125 z^3,` if `4x-5z=16` and `x z=12`

Find the value of 64x^(3)-125z^(3), if 4x-5z=16 and xz=12

Find the value of 4x^2+y^2+25 z^2+4x y-10 y z-20 z x when x=4,\ y=3 and z=2

Find the value of 4x^2+y^2+25 z^2+4x y-10 y z-20 z x when x=4,y=3 and z=2.

Find the value of x, y, z if [(x, y-z, z+3)]+[(y, 4, 3)]

Find the value of (( x -y )^3 + ( y - z )^3 + ( z - x )^3 )/ (9 ( x - y )( y - z ) ( z - x )) 1 . 0 2 . 1/9 3 . 1/3 4. 1

Find the value of x,y, and z if : (i) [[3,x4,y]]=2.[[-1.5,1z,1]]