Hello, friend JET-Z! How are you? Definitely okay, is not it? This time I want to share my knowledge with you, what is science? black magic? Yeah there's no way I want to post is black magic! I want to post about the science of learning arithmetic created by Muhammad Al-Khwarizmi, what is it? Absolutely, ALGEBRA! Surely you already know, right? Lesson Junior High 7th grade , so no lengthy descriptions let us remember while deepening knowledge!
Algebra is a branch of mathematics that studies simplifying and solving the problem using the "symbol" instead of constants and variables.
Examples of algebra ....
Algebra is a branch of mathematics that studies simplifying and solving the problem using the "symbol" instead of constants and variables.
Example algebra = 1. 
2. 
The algebra = 
Operations in algebra:
I. Addition and subtraction
ex: 1. 
= 
II. Multiplication in algebra
Make it easy? Now, trying to solve the following problem!
III. quadratic
Well, if we're going to learn about the quadratic algebra dala.
The formula is simply:
1. 
Where? Try it you times (ab) and (ab) manually!
Another way is to use a special triangle. Rank is in accordance with the triangles.
example:
How Much 
?
?
1
1 1
1 2 1
1 3 3 1
Thus, 
And so on. Make it easy?
Make it easy? A few of my knowledge (sorry if very little because I was a "newbie")
Sources: http://educentre.wordpress.com
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