Answer:
-20f+32
Step-by-step explanation:
-5×4=-20 put the x back
4×8=32
[tex]\boxed{-20f + 32}[/tex] or [tex]\boxed{32 -20f}[/tex]
[tex](-5f + 8)4[/tex]
[tex]= (-5f)\times(4) + (8)\times(4)[/tex]
[tex]= -20f + 32[/tex]