Question

2 (x+3)+5 (x+1) упростить и уровнение

Answer 1

2(x+3)+5(x+1)=2*x+2*3+5*x+5*1=2x+6+5x+5=(2x+5x)+(6+5)=(2+5)x+11=7x+11

Answer 2

2(х+3) +5(х+1) = 2х + 2*3  + 5х  +5*1 = (2х+5х) + (6+5) = 7х+11