# How do you simplify #(10-2i)+(-11-7i)#?

##### 2 Answers

Jul 28, 2018

#### Explanation:

#"simplify by collecting like terms"#

#=10-2i-11-7i#

#=(10-11)+(-2i-7i)#

#=-1-9i#

Jul 28, 2018

#### Explanation:

For the most part, even though it isn't, we can treat the imaginary unit like it is a variable. We have

We combine the constants and the imaginary terms respectively to get

Hope this helps!