인분해: (y+2) x ᄋ2+(y+2) x-12y-24

인분해: (y+2) x ᄋ2+(y+2) x-12y-24

: (y+2)xᄉ2+(y+2)x-12y-24
=(y+2)x²+(y+2x)-12(y+2)
=(y+2)(x²+x-12)
=(y+2)(x+4)(x-3)