👓 Why We Use "X" as the Unknown in Math

Read Why We Use "X" as the Unknown in Math (Gizmodo)

For hundreds of years, x has been the go-to symbol for the unknown quantity in mathematical equations. So who started this practice?

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MATH X 451.46: Introduction to Combinatorial Analysis September 24, 2019 at 7:00 pm – 10:00 pm University of California, Los Angeles, Math Sciences Building, Room 5217, Los Angeles, CA 90095, USA https://www.uclaextension.edu/sciences-math/math-statistics/course/introduction-combinatorial-analysis-math-x-45146 Combinatorics is the branch of mathematics that deals with problems of arrangements, partitions, and designs within a given finite or discrete system. It has applications in engineering, the physical and social sciences, operations research, and computer science. This course, the first of a two-quarter sequence, is an introductory yet rigorous survey of the theory…

MATH X 451.46: Introduction to Combinatorial Analysis October 1, 2019 at 7:00 pm – 10:00 pm University of California, Los Angeles, Math Sciences Building, Room 5217, Los Angeles, CA 90095, USA https://www.uclaextension.edu/sciences-math/math-statistics/course/introduction-combinatorial-analysis-math-x-45146 Combinatorics is the branch of mathematics that deals with problems of arrangements, partitions, and designs within a given finite or discrete system. It has applications in engineering, the physical and social sciences, operations research, and computer science. This course, the first of a two-quarter sequence, is an introductory yet rigorous survey of the theory…

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MATH X 451.46: Introduction to Combinatorial Analysis October 8, 2019 at 7:00 pm – 10:00 pm University of California, Los Angeles, Math Sciences Building, Room 5217, Los Angeles, CA 90095, USA https://www.uclaextension.edu/sciences-math/math-statistics/course/introduction-combinatorial-analysis-math-x-45146 Combinatorics is the branch of mathematics that deals with problems of arrangements, partitions, and designs within a given finite or discrete system. It has applications in engineering, the physical and social sciences, operations research, and computer science. This course, the first of a two-quarter sequence, is an introductory yet rigorous survey of the theory…

MATH X 451.46: Introduction to Combinatorial Analysis October 15, 2019 at 7:00 pm – 10:00 pm University of California, Los Angeles, Math Sciences Building, Room 5217, Los Angeles, CA 90095, USA https://www.uclaextension.edu/sciences-math/math-statistics/course/introduction-combinatorial-analysis-math-x-45146 Combinatorics is the branch of mathematics that deals with problems of arrangements, partitions, and designs within a given finite or discrete system. It has applications in engineering, the physical and social sciences, operations research, and computer science. This course, the first of a two-quarter sequence, is an introductory yet rigorous survey of the theory…

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