See how to simplify an algebraic expression containing exponents with this free video math lesson from Internet pedagogical superstar Simon Khan. 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 finish your homework or study for that next big test).
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How To: Calculate the area of a parallelogram

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How To: Divide small numbers by big numbers

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How To: Find the slope of a line given 2 points with fractions

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