# How do you factor #27c ^ { 2} - 6a t - r ^ { 2}# completely?

##### 2 Answers

Jun 27, 2018

The only factored form I see is

#### Explanation:

Notice that among the terms, the only common factor within any of the terms is a 3 within the 27 and the 6, so we could factor this way:

Jun 27, 2018

Please see the explanation below.

#### Explanation:

Just in case it was meant to be:

Then:

Using AC method for factoring the quadratics in the form of:

We need to find two numbers that multiply to -27, and add to -6,

those numbers are -9 and 3 thus: