b(b^2+1)+2(b^2+1)

Answer 1

distribute and add like terms

b^3 + b + 2 b^2 + 2

arrange in descending order

Answer 2

i need to factor the polynomial as the product of two binomials

Answer 3

b(b^2+1)+2(b^2+1)
you should see the common factor of (b^2 + 1)

= (b^2 + 1)(b + 2)