【一見シンプルなのに手が出ない】文字消去ができない連立方程式の「突破口」

#Mathematics #HighSchoolMath #Equations At first glance, it looks easy, but when you actually try to solve it, you'll find yourself stuck—a system of equations with just the right level of difficulty! A thorough explanation! This time, we'll tackle systems of equations, a problem that often stumps even students and those good at math. First, we'll explain the classic pattern where "one of the equations can be factored," a common problem seen in similar problems from prestigious private universities like Keio University and Kansai University. However, this problem is even more advanced—even that's not possible! "How do you solve it when neither elimination of variables nor factorization is possible?" We'll clearly explain the brilliant "breakthrough" that holds the key to solving it. Students who want to hone their mathematical thinking skills, or those who want to solve interesting math problems, should definitely watch until the end! If you found this helpful or want to solve more math problems, please subscribe and give us a thumbs up! It encourages us! ◆ Subscribe here! www.youtube.com/@maseman-sugaku?sub_c... Timestamps (Chapters) 0:00 Opening (About the problem and its difficulty) 1:01 Introduction to similar problems: A pattern at the Keio/Kansai University level where one side can be factorized 3:20 This problem: A desperate situation where neither variable elimination nor factorization is possible 4:42 The "breakthrough" to the solution: A method of eliminating constants and reducing it to a strategy 7:20 Summary and key points #MathematicsI #SimultaneousEquations #MathExplanation #ExamMath #EntranceExamMath #UniversityEntranceExam #MathLover #TestPreparation