0014風吹けば名無し垢版 | 大砲2022/06/23(木) 23:13:01.14ID:flnrHd2U0 (6x+6)y^2+(5x^2+5x)y+x^3+x^2 =(x+1)(6y^2+5xy+x^2) =(x+1)(x+2y)(x+3y)