2x2-x per 3 :2x-1per 6

(4-x)/3 = (2x-1)/6=4/3 - x/3 = x/3 - 1/6=9/6=2x/3=1/2=2xx=1/4

Sebelumya maaf kalo salah.
2x²-x per 3 : 2x-1 per 6
2x²-x (2x-1) = 6.3
2x³-2x²-2x²+x = 18
2x³-4x²+x = 18