Zapisz w jak najprosttszej postaci:
a) (x+4)+(2x-6)
b)-(2y+3x)+(-4y+2x+1)
c) -(x-2xy)-(4x+xy)+(xy-x)
d) (x do potegi 2 +2x+1)-(x do potegi 2 -4x+3)
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a)4+x+2x-6=3x-2
b)-(2y+3x)+(-4y+2x+1)=-2y-3x-4y+2x+1=-3x-4y+1
c)-(x-2xy)-(4x+xy)+(xy-x)=-x+2xy-4x-xy+xy-x=-6x+2xy
d) (x do potęgi 2 +2x+1)-(x do potęgi 2-4x+3)=x do potęgi 2+2x+1-x do potęgi 2+4x-3=6x-2
a) 4x + ( -4x )
b) -5xy + ( -1xy )
c) -(x-2xy)-(4x+xy)+(xy-x)=-x+2xy-4x-xy+xy-x=-6x+2xy
d) (x do potęgi 2 +2x+1)-(x do potęgi 2-4x+3)=x do potęgi 2+2x+1-x do potęgi 2+4x-3=6x-2
a) (x+4)+(2x-6)=3x-2
b) -(2y+3x)+(-4y+2x+1)=1-x-6y
c) -(x-2*x*y)-(4x+x*y)+(x*y-x)=6x+2xy
d) (x2+2x+1)-(x2-4x+3)=-2+(-2x)