A) -y do kwadratu + 2x - 8x do kwadratu - 7 x - x do kwadratu =
B) 3x +4xy -2x -8xy =
C) -( -2x -y + 4 ) - ( -5 x + 6 y )+ ( - 2 yz - x )=
D ) 3x - ( 4xy - 2c +x ) + ( - xy -c + 2x )=
E ) 8-( -3x -y +7 ) + ( 2x + y -3) =
F ) -3a - 7 b -8 - 4b -8a +2 =
G ) 3x -4y - ( -3y +7 xy ) - ( -3x -4 y + 4 ) =
H ) - ( -3c - x do kwadratu y ) + ( -c - yx do kwadratu ) - ( - 2 y )
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A)...= -y do kwadratu -9x do kwadratu- 5x
B)...=x-4xy
c)...=2x+y-4+5x-6y-2yz-x=6x-5y-4-2yz
D)...=3x-4xy+2c-x-xy-c+2x=4x-5xy+c
E)...=8+3x+y-7+2x+y-3=-2+5x+2y
F)...=-11a-11b-6
G)...=3x-4y+3y-7xy+3x+4y-4=6x+3y-7xy-4
H)...=3c+xdo kwadratu y-c-yx do kwadratu+2y=2c+2y
b) =1x-4xy
f)=(-11a)-11b-6
g )=6x+3y-7xy-4