F(x)=x³-2x²-3x+1 tentukan f(1),f(2),f(-1),f(-2)​

F(1) = 1³ – 2(1²) – 3(1) + 1

f(1) = 1 – 2 – 3 + 1

f(1) = -3

————

f(2) = 2³ – 2(2²) – 3(2) + 1

f(2) = 8 – 8 – 6 + 1

f(2) = -5

————-

f(-1) = (-1)³ – 2((-1)²) – 3(-1) + 1

f(-1) = -1 – 2 + 3 + 1

f(-1) = 1

————-

f(-2) = (-2)³ – 2((-2)²) – 3(-2) + 1

f(-2) = -8 – 8 + 6 + 1

f(-2) = -9

semoga membantu