Question

Brahmagupta's book is the oldest text representing zero

as a number, using the symbol 0. Why was this a
mathematical breakthrough?

Answer 1

Sample Answer from Edge2020.

Understanding zero as a number represented by the symbol 0 enabled mathematicians to have a representation of nothing. Having a digit to represent zero enables mathematics to be more abstract, and allows more complex problems to be solved.

Answer 2

Understanding zero as a number represented by the symbol 0 enabled mathematicians to have a representation of nothing. Having a digit to represent zero enables mathematics to be more abstract, and allows more complex problems to be solved.