Question

How do you factor `x^3 + x^2 + 4x + 4`?

Answer 1

`(x^2+4)(x+1)`

Explanation:

`x^3+x^2+4x+4`
Factor by grouping:
`(x^3+x^2)+(4x+4)`
`x^2(x+1)+4(x+1)`
`(x^2+4)(x+1)`