Democratic States Expanded Medicaid to Undocumented Immigrants. Now They’re Rolling It Back.

For example, in the expression \(3(m + 7)\), multiply both \(m\) and 7 by 3, so: \(3(m + 7) = 3 \times m + 3 \times 7 = 3m + 21\). Expanding brackets involves using the skills of simplifying algebra.

Algebra uses arithmetic operations (+, –, ×, ÷) to simplify expressions, solve equations and rearrange formulae. ... An expression is a mathematical statement with no equals symbol.