Remember that you can distribute multiplication over addition? You can also distribute exponents over multiplication.
Here’s how and why it works:
And here it is written out “long ways” for an algebra problem. Remember, you can use the short version. I do the videos with the long version to help you remember why it works.
Have any questions? Post them in the comments!
There’s an amazingly fancy tool that I began discussing in the last post. This D-word probably has been a close friend of yours for a while. It’s likely you’ve used it before and just didn’t realize it.
Well, now you can give it a name and give it some practice. It’s the Distributive Property.
Fancy name. Fabulous friend.
Check out what’s really going on with 87 x 48 here…
That one you can do quickly with pencil and paper. Here’s an easier one that you are more likely to do in your head (after practice with P&P of course)…
Have you done this before? Share your stories in the comments.
