Respuesta :

Answer:

add them all and put them equal to 180 cause all interiors angles of a triangle adds up to 180.

Step-by-step explanation:

x^2+6x+68=180

x^2+6x-112=0

(x-8)(x+14)

x=8

x^2+1=65

2x+24=40

4x+43=75

hence x^2+1 is your answer