Hitunglah nilai suku banyak f(x)=x4-x3+2x2-x+20

x = x × 4 - x × 3 + 2 × 2 - x + 20
x = 4x - 3x + 4 - x + 20
x = 4x - 3x + 24 - 1x
x = ( 4 - 3 - 1 )x + 24
x = 0x + 24
x = 0 + 24
x = 24


semoga anda puas ☺