279 TMD How to Think About Multiplication: Part 2
04.29.2016 - By The Math Dude Quick and Dirty Tips to Make Math Easier
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What does it mean to multiply a positive number by a negative number? What does it mean to multiply two negative numbers? How about two variables? Or lots and lots of variables? Keep on listening to find out! Read the full transcript here: http://bit.ly/1rqtjO9