# factoring

posted by
**Jen**
.

how to factor

x^4 - 2x^3 - 8x + 16

Thanks.

you can factor by grouping wich is to divide the equation into two pieces

1)x^4-2x^3 -8x+16

2)now factor this two

x^3(x-2)-8(x-2)

3)you will get x^3-8 and x-2

4)factor x^3-8