Question

Срочно помогите!!!1!!! Даю 20 б.!!

Answer 1

3(y^2-y-5)-2(y^2+4y+5)=y^2-2y+1
3y^2-3y-15-2y^2-8y-10=y^2-2y+1
y^2-11y-25-y^2+2y-1=0
-9y-26=0
-9y=26
y=-26/9
y=-2 8/9