Respuesta :

Answer:

Just do (2x-3)+(x-5)+(x)=180°

Step-by-step explanation:

It is sum of angles of triangle

sorry it took so long i was struggling on this question but heres the answer i go on the measurement on each side.

2x³ +13x³+15x

hope that helped you out ,also please mark me me brainiest and follow me:)