Answer:
I think its the first one. Sorry if im wrong,,, havent done this in a while
Step-by-step explanation:
Answer:

Step-by-step explanation:
Use the formula:

We have:

Substitute:

in triangle HIJ
X= 4
each sides are 108, 43, 34
both triangles are similar bcs their corresponding angles are equal
(2x +5) (3x-4)
=6x^2 + 7x - 20