Name: Algebra 5 - Symmetric Difference @MyWhyU
Uploaded: 2012-06-20T01:29:31-0400
Duration: 8 min 17 s
Description: The symmetric difference of two sets is the collection of elements which are members of either set but not both - in other words, the union of the sets excluding their intersection. Forming the symmetric difference of two sets is simple, but forming the symmetric difference of three sets is a bit trickier.

MyWhyU | Algebra 41 - Using Systems of Equations Versus One Equation @MyWhyU | Uploaded 9 years ago | Updated 3 hours ago
When should a system of equations with multiple variables be used to solve an Algebra problem, instead of using a single equation with a single variable?

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