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Why do people use the letter (X) in mathematics

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Why is X Generally the Unknown in Mathematics?
Загружено 17 января 2018
Dollar Shave Club!:

Why is 'x' the unknown? | Terry Moore
Загружено 6 июня 2012

Why is X Used to Symbolise the Unknown?
Загружено 20 июля 2016
The letter X has been used to symbolise mystery or the unknown in Western culture for the past 600 years. But why? Check us out on Facebook: ...

Why do people use the letter (X) in mathematics?
Загружено 6 марта 2015

Where do math symbols come from? - John David Walters
Загружено 30 октября 2017
Sign up for our newsletter here: http://ed./newsletter View full lesson: http://ed./lessons/where-do-math-symbols-come-from-john-david-walters ...

Why all the letters in algebra? | Introduction to algebra | Algebra I | Khan Academy
Загружено 26 июля 2012
Jesse Roe and Sal Khan talk about why we use letters in algebra Watch the next lesson: ...

Algebra Basics: Solving Basic Equations Part 2 - Math Antics
Загружено 22 мая 2015
This video shows students how to solve simple 1-step Algebra equations involving only multiplication or division. Part of the Algebra Basics Series: ...

The Letter X
Загружено 26 октября 2013
Learn to write uppercase and lowercase letter Xx. Say the sound that /x/ makes.

What's so special about Euler's number e? | Essence of calculus, chapter 5
Загружено 2 мая 2017
What is e? And why are exponentials proportional to their own derivatives? Full series:

Algebraic Notation - Introduction to Algebra | Algebra | Maths | FuseSchool
Загружено 6 апреля 2017
In this video we look at the basics of algebra, focusing on the notation that is used. In algebra we use symbols to represent numbers. These symbols are called ...

Why letters are used in mathematics
Загружено 26 июля 2012
This is a comment to add a bit to Sal Khan's video discussing why we use letters in mathematics to represent variables.

Introduction to Algebra | Algebra for Beginners | Math | LetsTute
Загружено 19 февраля 2016
Check our video on "Introduction to Algebra" Visit our website for more information: http:// I hope you enjoy this online lecture on "Introduction to ...

Algebra Basics: Solving 2-Step Equations - Math Antics
Загружено 24 октября 2015
There was a confusing example in the original video. This is the updated version. This video shows students how to solve 2-step Algebra equations involving ...

Algebra Shortcut Trick - how to solve equations instantly (2)
Загружено 26 сентября 2014
Solve linear algebra equations with variables on both sides easily with no problems (Ok we all make mistakes!) This fast math tutorial for rapid calculation will ...

e (Euler's Number) - Numberphile
Загружено 19 декабря 2016
Free trial at The Great Courses Plus: "e" - the famed Euler's Number. More links & stuff in full description ...

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