Answer:
[tex]\large\boxed{ \sf 16x+12}[/tex]
[tex]\rightarrow \sf 4(5x+3)-4x[/tex]
[tex]\rightarrow \sf 4(5x) +4(3)-4x[/tex]
[tex]\rightarrow \sf 20x +12-4x[/tex]
[tex]\rightarrow \sf 20x -4x+12[/tex]
[tex]\rightarrow \sf 16x+12[/tex]
B).16x+12
Step-by-step explanation:
