# How do you write #x^2-4x+16# in factored form?

##### 2 Answers

Sep 13, 2015

#### Explanation:

Let

This has discriminant

Since this is negative,

The Complex roots are given by the quadratic formula as:

So

Sep 13, 2015

Refer to explanation

#### Explanation:

it is

where

If you are looking factorization in the domain of reals numbers this cannot be done.