tolong dibantu ya, no 3nya aja. makasih banyak

f(x) = 2 x^2 -3x +1
f(g(x) ) = 2 (x-1)^2 - 3(x-1) +1
= 2 ( x2 - 2x +1) -3x +3 +1
= 2 x2- 4x +2 -3x +4
= 2 x2 -7x +6

0 = 2x2 -7x +6
0 = (2x-3)(x-2)

x=3/2 atau x=2