a)^-do kwadratu x^+6xy+9y^-9y^=x^+6xy
b)4x^+1-4x^-4x-1=-4x
c)x^-4x+4-x^-2x-1=-6x+3
d)2*(9+6b+b^)-12b=18+12b+2b^-12b=2b^+18
a)=
b)=
c)=
d)=
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a)^-do kwadratu x^+6xy+9y^-9y^=x^+6xy
b)4x^+1-4x^-4x-1=-4x
c)x^-4x+4-x^-2x-1=-6x+3
d)2*(9+6b+b^)-12b=18+12b+2b^-12b=2b^+18
a)=
b)=
c)=
d)=