Algebra operation part 2

11 Oct

Bonjour everyone,

I will start with a question taken from internet

Why is a x b written as ab? Is it just for the purpose of abbreviation so you dont have to write as much or because the multiplication sign could be mistaken for a letter x?
Thanks. (http://www.physicsforums.com/showthread.php?t=36945)

GO back to our previous lecture

it becomes AB + AC

KEY 1. rewrite all the operation out of bracket ( don’t miss a single one)
key 2. Leave out the bracket(distribute)
KEY 3. Regrouping

How is it now? tu me suive? it helps? give your feedback

Best regards
Ematheasy team

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