# How do you find the product of #(r+1)(r-2)#?

##### 1 Answer

Oct 10, 2016

#### Explanation:

F.O.I.L.

- First

- Outer

- Inner

- Last

FOIL is just a way of factoring

So, start out by multiplying the First terms together in each set of parenthesis

Outer: multiply the outer most terms in each set of parenthesis

Inner: multiply the inner terms of the set of parenthesis

Last: multiply the last terms of each set of parenthesis together

Altogether, the equation would look like:

(I just broke it down so that it was easier to see each step)

Next, combine like terms, which would be

And the final equation looks like: