Question

Factorise:- y^3+1+2y^2+2y​

Answer 1

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

Explanation:

taking common of all

Answer 2

Explanation:

Given equation, 2x

3

+3x

2

+3x+1=0

⟹2x

3

+2x

2

+x

2

+2x+x+1=0⟹(2x+1)(x

2

+x+1)=0

Solving the 2 equations, we have x=

2

−1

,

2

−1±

3

i