September 2018 1 21 Report

2.Zapisz w jak najprostszej postaci:
a)-4( 2x + 0,5)=
c)-3(1-2y)+1/2(6-12y)=
e)4*x-7/2-6*3-x/3=

3.Zapisz w postaci jak najprostszej sumy algebraicznej:
b)2(2x+3)(2x-1)=
c)-(x+7)(x-3)=
d)1-(z+5)(z-1)=
e)2k kwadrat -(k+3)(2k+4)=
f)-3(a+2b)(a-b)=3a kwadrat=


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