part 2!!! I just added a new screenshot to it btw



[tex]\\ \sf\longmapsto Perimeter=4a[/tex]
[tex]\\ \sf\longmapsto Perimeter=4(2x+2)[/tex]
[tex]\\ \sf\longmapsto Perimeter=8x+8[/tex]
Step-by-step explanation:
solution,
Length=2x+2
Perimeter of a square=4l
=4(2x+2)
=8x+8