Question

factories 2 y³ + y²-2y -1​

Answer 1

Answer:

y=1

Step-by-step explanation:

2y³+y²-2y-1=0

or,y²(2y+1)-1(2y+1)=0

or,(2y+1)(y²-1)=0

2y+1=0. y²-1= 0

2y=-1. y²= 1

y= -1/2. y=√1

y= 1

so, y=1