Question

If x + y + a = 0 , then find x ^3 + y ^3 + 8

Answer 1

Answer:

6xy

Step-by-step explanation:

as we already given in question x + y + a = 0 ,

x³+ y³ + z³ = 3xyz { when x + y + z = 0}

x³ + y³ + 2³ = 3 xy ⨯2

x³ + y³ + 2³ = 6xy