f ( x ) = 2 × х^3 - 3 × х^2 - 1
f ( 0 ) = 2 × 0^3 - 3 × 0^2 - 1
f ( 0 ) = 2 × 0 - 3 × 0 - 1
f ( 0 ) = 0 - 0 - 1
f ( 0 ) = - 1
f ( x ) = 2 × х^3 - 3 × х^2 - 1
f ( 0 ) = 2 × 0^3 - 3 × 0^2 - 1
f ( 0 ) = 2 × 0 - 3 × 0 - 1
f ( 0 ) = 0 - 0 - 1
f ( 0 ) = - 1