Question 560194


20w^2+w-12=0
20w^2+16w-15w-12=0
4w(5w+4)-3(5w+4)=0
(5w+4)(4w-3)=0
either 5w+4 = 0
5w=-4
w=-4/5
Or
4w-3=0
4w=3
w=3/4

(-4/5, 3/4)