Question

factorize:a4+4(a-1)2-4(a3-a2)

factorize this one​

Answer 1

a

4

+a

2

+1=(a

2

+2a

2

+1)−a

2

=(a

2

+1)

2

−(a)

2

=(a

2

+a+1)(a

2

−a+1)