Question #5118f

1 Answer
Nov 28, 2017

y=14or12

Explanation:

2y1+8y2
=8y22y1
=8y24y+2y1
=(4y+1)(2y1)

By factoring,
the expression becomes
(4y+1)(2y1)=0
4y+1=0or2y1=0
y=14or12