Question

How to Factor? x^3+4x^2-x-4

Answer 1

\[x^3+4x^2-x-4\]

Answer 2

\(\large\tt \color{black}{x^3+4x^2-x-4}\)

\(\large\tt \color{black}{ =x^2 (x+4)-(x+4) }\)

\(\large\tt \color{black}{=(x+4)(x^2-1)}\)

\(\large\tt \color{black}{=(x+4)(x-1)(x+1)}\)