Question

If f(x) = x3 + 8x2 + 4x – 48 and x + 4 is a factor zeros of f(x) algebraically.

Answer 1

`\begin{gathered} f(x)=x^3+8x^2+4x-48 \\ x^3+8x^2+4x-48=\text{ (}x-2\text{)(}x+4\text{)(}x+6\text{)} \\ x+4\text{ is a factor zero of }f(x)=x^3+8x^2+4x-48 \end{gathered}`