<prompt> Acha fy y4 -3y3 y - 3 na gy y3 7y2 -2. Tafuta fy gy. Andika jibu lako kama polynomial na masharti ya kupungua kwa digrii.  <response>: Tunaona kwamba fy gy y4 -3y3y-3 y37y2-2. Kurahisisha, tunapata y4-2y3 Miaka 72y-5. 