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). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to unpack and solve problems requiring you to rewrite and simplify an expression with the distributive law of multiplication over addition.
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How To: Use ">" (greater than) and "<" (less than) symbols

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

How To: Write a slopeintercept equation given an XY table

How To: Find the opposite and absolute value of a number

How To: Find the Percent Given Two Numbers

How To: Find the area of a parallelogram using geometry

How To: Find the area of a circle when you know the diameter

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How To: Find Leg Lengths and Hypotenuse of a 45 45 90 Triangle

How To: Find a number given Its percent

How To: Find a missing side of a triangle, similar to another

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

How To: Isolate a variable

How To: Find the area of irregular shapes

How To: Find the formula of a piecewise function given a graph

How To: Find points on yaxis a certain distance from a point

How To: Calculate Faster Than a Calculator
1 Comment
Distributive Law, Rewrite so its more simple to calculate?
9x25+25=
11x9999=
12x2550=
51x4.9+51x5.1=
I need to learn how?
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