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 \( ax + ay \).

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