if a=26 and b=22, then the value of   is

if ,then find the value of  

if  , then is

If x + y + 3 = 0 , then find the value of x³+y³-9xy+9.

If (x + 6y) = 8, and xy = 2, where x > O, what is the value of (x³+216y³)?

If x = z = 225 and y = 226 then the value of : x³ + y³ + z³ – 3xyz is

If x² + x = 5 then the value of   is

If m = – 4, n = – 2, then the value of m³ – 3m² + 3m + 3n + 3n² + n³ is