From Ramanujan to calculus cocreator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just study for that next big test). With this twopart installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to simplify rational expressions in algebra.
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How To: Find the Volume of Composite Figures (Also Called Composite Shapes)

How To: Calculate the height and volume of a pyramid

How To: Use ">" (greater than) and "<" (less than) symbols

How To: Calculate percent composition for chemistry

How To: Remember "greater than" & "less than" symbols

How To: Find the area of a triangle when given 2 sides & angle

How To: Find the x & y intercepts of rational functions

How To: Use the TOA formula in trigonometry

How To: Find the equation of an ellipse given a graph

How To: Find the Percent Given Two Numbers

How To: Find the Radius of a Circle from Arc Length

How To: Find extra points for a parabola (quadractic equation)

How To: Find the equation of a circle given: center & tangent

How To: Identify characteristics of a sample during a survey

How To: Find a slope of a straight line with: Ax + By + C = 0

How To: Solve for the missing ratios or proportions

How To: Multiply proper & improper fractions

How To: Find the common ratio of a geometric series

How To: Find the area of a rectangle

How To: Calculate Faster Than a Calculator

How To: Find the Volume of Composite Figures (Also Called Composite Shapes)

How To: Calculate the height and volume of a pyramid

How To: Use ">" (greater than) and "<" (less than) symbols

How To: Calculate percent composition for chemistry

How To: Remember "greater than" & "less than" symbols

How To: Find the area of a triangle when given 2 sides & angle

How To: Find the x & y intercepts of rational functions

How To: Use the TOA formula in trigonometry

How To: Find the equation of an ellipse given a graph

How To: Find the Percent Given Two Numbers

How To: Find the Radius of a Circle from Arc Length

How To: Find extra points for a parabola (quadractic equation)

How To: Find the equation of a circle given: center & tangent

How To: Identify characteristics of a sample during a survey

How To: Find a slope of a straight line with: Ax + By + C = 0

How To: Solve for the missing ratios or proportions

How To: Multiply proper & improper fractions

How To: Find the common ratio of a geometric series

How To: Find the area of a rectangle

How To: Calculate Faster Than a Calculator
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