Question

Ajutor urgent , va implor

Answer 1

(fog)(3)=f(g(3))=f(3*3-2))=f(7)=$(7-1)^{2}$=$6^{2}=36$

(gof)(3)=g(f(3))=g(4)=3*4-2=12-2=10

(fog)(3)-(gof)(3)=36-10=26