Answer:
36 + 12y
Explanation:
The distributive property says that:
[tex]a(b+c)=a\cdot b+a\cdot c[/tex]So, the expression is equivalent to:
[tex]\begin{gathered} -4(-9+(-3y))=-4(-9)+(-4)(-3y) \\ -4(-9+(-3y))=36+12y \end{gathered}[/tex]Therefore, the simplified expression is:
36 +12y