prosze o szybkie rozwiązanie
zad1.
a)
b)
zad 4
a) x-1/ 2=2x-1/x+1
(x-1)(x+1)= 2(2x-1)
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zad1.
a)![3 x-12 x^2= 3x(1-4x) 3 x-12 x^2= 3x(1-4x)](https://tex.z-dn.net/?f=%C2%A03+x-12+x%5E2%3D+3x%281-4x%29)
b)![12xy^2- 8x^2y+6xy= 2xy(6y-4x+3) 12xy^2- 8x^2y+6xy= 2xy(6y-4x+3)](https://tex.z-dn.net/?f=12xy%5E2-+8x%5E2y%2B6xy%3D+2xy%286y-4x%2B3%29)
zad 4
a) x-1/ 2=2x-1/x+1
(x-1)(x+1)= 2(2x-1)