92.2k views
4 votes
Please factor 20x^2+11x-4=0

User Konse
by
8.9k points

1 Answer

3 votes
first factor 20x^2
(4x and 5x)
(4x-1)(5x+4)=0
4x-1=0
x=1/4
5x+4=0
x=-4/5
User Taro Sato
by
7.9k points