(3х+11)*2-5*(4-3х) срочно

Question

(3х+11)*2-5*(4-3х) срочно

Answer 1

2*(3х+11)-5*(4-3х)=2*3х+2*11-5*4-5*(-3х)=6х+22-20+15х=(6х+15х)+(22-20)=21х+2