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xy-x²y=x*y-x*x*y=xy(1-x)
12ab²+16b²=3*4*a*b²+4*4*b²=4b²(3a+4)
2xy+3x-x²-y=3x-x*x-y+2*x*y=x(3-x)-y(1+2x)
-8xy+8x=8x(-y+1)
x³-2x²+x=x(x²-2x+1)
2x-2xy=2x(1-y)
6x²-12x=6*x*x-2*6*x=6x(x-2)
6x²-12x=2*3*x*x-2*6*x=2x(3x-6)
xy-x²y= x(y-xy)
12ab²+16b²=4b(3ab+4b)
2xy+3x-x² -y=[nie mam pomysłu]
-8xy+8x=8x(-y+1)
x³-2x²+x=
2x-2xy=2x(1-y)
6x²-12x=2x(3x-6)