(х-2)×(х+4)×4-3(х+4)=х(4х+1)
(x+4)×((x-2)×4-3)=4x²+x
(x+4)×(4x-8-3)=4x²+x
(x+4)×(4x-11)=4x²+x
4x²-11x+16x-44=4x²+x
-11x+16x-44=x
5x-44=x
5x-x=44
4x=44
x=11
(х-2)×(х+4)×4-3(х+4)=х(4х+1)
(x+4)×((x-2)×4-3)=4x²+x
(x+4)×(4x-8-3)=4x²+x
(x+4)×(4x-11)=4x²+x
4x²-11x+16x-44=4x²+x
-11x+16x-44=x
5x-44=x
5x-x=44
4x=44
x=11