August 2018 2 24 Report
1) Rozłóż na czynniki, grupując odpowiednie wyrazy:

a) x³+3x²+3x+9=
b)x²-xy-2x+2y=
c)m²+mn-5m-5n=
d)a²-ab-3a+3b=
e)10ay-5by+2ax-bx=
f)6by-15bx-4ay+10ax=
g)5a²-5ax-7a+7x
h)4x²-4xz-3x+3z=
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