# How do you simplify #(a + b)(a - 2b)#?

##### 1 Answer

Aug 30, 2016

#### Answer:

When you say simplify I'm going to take it as expand since factoring an expression is sometimes a way of simplifying it.

The answer will be

#### Explanation:

You simply multiply out each factor.

So you start by multiplying the

You will get

So now you will do the same with the

Then you get

Now you add