This video by Fort Bend Tutoring shows the process of finding and factoring the greatest common factor (GCF). This math concept, gcf factoring, is used in algebra, precalculus, trigonometry and calculus classes. Intro/Outro by Shirley Q. Liquor. Instructi...

A story of pi, prime numbers, and complex numbers, and how number theory braids them together.
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The fact that only primes that are one above a multiple of four can be expressed as the sum of two squares...

http://coolmathguy.com This is a sample clip from the Algebra II course on CoolMathGuy.com. You may view this entire section for free at CoolMathGuy.com...

Oprah Winfrey, who has used her success as a talk show host and media entrepreneur to promote education, civic engagement, and charitable works, addresses graduates at Harvard's 362nd Commencement on May 30, 2013 at Tercentenary Theatre....

Order of operations is basic math skill all students need to understand. The saying PEMDAS which stands for parenthesis, exponents, multiplication, division, addition, subtraction. This video will explain this saying and so much more. For more math help...

How to factor a trinomial? Let me show you 4 popular ways!
1. AC+ grouping: @0:26
2. lazy AC: @5:47
3. slide & divide (Thanks to Prof. E Tchertchian): @8:55
the original https://www.youtube.com/edit?video_id=3H8xVKLm4uc
4. tic-tac-toe @12:16
4 ways to s...