Question

find the value of x³ + y³ + z³ - 3xyz when x = 1, y = 2 and z = 3 pls send step by step answer​

Answer 1

(1)^3+(2)^3+(3)^3-3(1)(2)

(3)=1+8+27-18-36-18-18

Ans 18

Answer 2

Step-by-step explanation:

1×1×1+2×2×2+3×3×3-3×1×2×3

1+8+27-18

36-18

18