Problem 43320. Expand a term

Marc Jakobi

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Given a term, as a string, expand it.

e. g.

f = '2(x + y)';

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Last Solution submitted on Feb 11, 2026

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Giovanni Mottola on 10 Oct 2016

Nice idea, but the test cases are a bit confusing. Why do you add one space before and after '(', but none after ')' and three between the letters and the '+' symbol?

Marc Jakobi on 14 Oct 2016

Thanks for the input :)
The reason I add one before '(' is because there is a '2' before it, which is part of the term. The ones between the letters and the '+' symbol are because spaces are characters, too.

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