y ( 0.5 + 8) how can i expand these expressions with a variable

Given the initial expression
[tex]y(0.5+8)[/tex]
Therefore,
[tex]\begin{gathered} \Rightarrow y(0.5+8)=y\cdot0.5+y\cdot8=0.5y+8y \\ \Rightarrow y(0.5+8)=0.5y+8y \end{gathered}[/tex]The expanded form of y(0.5+8) is 0.5y+8y, without simplifying.