1. To increase the scope, scale, or severity of an inequality; to make an existing disparity larger or more pronounced
Government policies that favor the wealthy expand the inequality between rich and poor.
Políticas governamentais que favorecem os ricos expandem a desigualdade entre ricos e pobres.
2. In mathematics, to develop or simplify an inequality expression by applying algebraic operations
We need to expand the inequality 2(x + 3) > 10 to solve for x.
Precisamos expandir a desigualdade 2(x + 3) > 10 para resolver x.