Сократите дробь: (y^2+3y+2)/(4y+4).

\[\frac{y^{2} + 3y + 2}{4y + 4} = \frac{(y + 2)(y + 1)}{4(y + 1)} =\]

\[= \frac{y + 2}{4}.\]

\[y^{2} + 3y + 2 = (y + 2)(y + 1)\]

\[y_{1} + y_{2} = - 3;y_{1} \cdot y_{2} = 2\]

\[y_{1} = - 2;\ \ y_{2} = - 1.\]