(2x+1)×(x+4)= (x+y)x(x+1)=

Question

(2x+1)×(x+4)=
(x+y)x(x+1)=

Answer 1

2х квадрат+9х+4
ух квадрат+ух+х куб+х квадрат

Answer 2

2х^2+8х+х+4=2х^2+9х+4
х^2+х+ху+у