Look at the given triangles
(Triangles will be attached in the comments)
A. Write an expression in simplest form for the perimeter of each triangle.
B. Write another expressions in simplest form that shows the difference between the perimeter of the larger triangle and the perimeter of the smaller triangle.

Question

Look at the given triangles 
(Triangles will be attached in the comments)
A. Write an expression in simplest form for the perimeter of each triangle.
B. Write another expressions in simplest form that shows the difference between the perimeter of the larger triangle and the perimeter of the smaller triangle.

anonymous · Answer

attachment

anonymous · Answer

Perimeter of first: $4x+2+7x+7+5x-4=16x+5$
Perimeter of second $x+3+2x-5+x+7=4x+5$
Difference: $16x+5-(4x+5)=12x$