" Find the value of "x^(3)+y^(3)+15xy-125" if "x+y=5

Find the value of 8x^(3)+y^(3)-30xy+125 if 2x+y=-5

Find the value of x^(3)-y^(3) if x-y=5,xy=14

If x+ 5y= 10 , find the value of x^(3) + 125y^(3) + 150xy - 1000

If x+y=5 and xy=6 , then the value of x^(3)+y^(3) is

If x = 1, y = - 2 and z = 3. find the value of (i) x^(3) + y^(3) + z^3-3xyz (ii) 3xy^(4) - 15 x^(2) y + 4z

If 2x+3y=13 and xy=6, find the value of 3x^(3)+27y^(3)

Find the value of : (i) x^(3)+y^(3)-12xy+64 , when x+y=-4 (ii) x^(3)-8y^(3)-36xy-216 , when x=2y+6