Respuesta :
Simplify 2(8r2+r)-4r=
[tex] 2(8r^2+r)-4r=16r^2+2r-4r= 16r^2-2r= \boxed{2r(8r-1) } [/tex]
[tex] 2(8r^2+r)-4r=16r^2+2r-4r= 16r^2-2r= \boxed{2r(8r-1) } [/tex]