October 2018 2 13 Report

Doprowadź do najprostszej postaci :

a) -5(4a-3b)-4(5a-5b)=

b)-3x(2x-3y)+2x(-3x-5y-1)=

c) (x+1)(x-3)-(2x+1)(x-4)=

d)3xy+4x-5xy+10-2x+2xy=

BŁAGAM POMOŻCIE DAM NAJ PLIS!!!!!!!!!!!!!!!!!! NA DZISIAJ


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