A•(x+y)

The expression \( a \cdot (x + y) \) represents the multiplication of a scalar \( a \) with the sum of \( x \) and \( y \). This can be expanded using the distributive property: \[ a \cdot (x + y) = a \cdot x + a \cdot y \] So, the expression can be rewritten as \( ax + ay \). If you need further explanation or details on a specific topic related to this expression, feel free to ask!