Сократите дроби.1)6у^2+13y-5/12y-42)4x^2-9/6x^2-5x-6/-знак дроби.

Question

Сократите дроби.
1)6у^2+13y-5/12y-4
2)4x^2-9/6x^2-5x-6
/-знак дроби.

Answer 1

D=169+120=289
y1,2=-13+-17/12
y1=-2,5 y2=1/3
(y+2,5)(y-1/3)/(y-1/3)=y+2,5