Solving a Czech-Polish-Slovak Functional Equation || High School Math

[f is a real valued function such that f(x^2 + xy) = f(x)f(y) + yf(x) + xf(x + y) for all real values x, y. Find all functions f.]

Hello everyone! Here's an item from the Czech Polish Slovak Match 2018, on functional equations!

Hope you guys learned something new from the video!

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Hello everybody, dumplet here!

This is a YouTube Channel for Elementary, High School and a bit of College Math! I post random math problems and tutorials to various topics seen from Elementary to College Mathematics, as well as common shortcuts, tricks and techniques in various National and International Mathematical Olympiads!

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