Question

y^3+y^2 -y-1 factorise ​

Answer 1

Answer:

y^3 + y^2-y-1

y^2(y+1) - 1 (y+1)

(y^2 -1) (y+1)

Step-by-step explanation:

Answer 2

Answer:

the value of y is 1,-1,-1.

Step-by-step explanation:

you have to use synthetic division.

you will get three roots as it is cubic equation.

hope it helps