zapisz w jak najprostszej postaci.
(x+4)+(2x-6)
-(2y+3x)+(-4y+2x+1)
-(x-2xy)-(4x+xy)+(xy-x)
(x do kwadratu+2x+1)-(x do kwadratu-4x+3)
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(x+4)+(2x-6)=3x-2
-(2y+3x)+(-4y+2x+1)=-2y-3x-4y+2x+1=-6y-x+1
-(x-2xy)-(4x+xy)+(xy-x) =-x+2xy-4x-xy+xy-x=-6x+2xy
(x do kwadratu+2x+1)-(x do kwadratu-4x+3)=x do kwadratu +2x+1-x do kwadratu+4x-3=6x-2
(x+4)+(2x-6)=x+4+2x-6=3x-2
-(2y+3x)+(-4y+2x+1)=-2y-3x-4y+2x+1=-6y-x+1
-(x-2xy)-(4x+xy)+(xy-x)=-x+2xy-4x-xy+xy-x=6x2xy
(x kwadrat+2x+1)-(x kwadrat-4x+3)=x kwadrat+2x+1-x kwadrat+4x-3=6x-2