September 2018 2 21 Report

zad. 1

wykonaj mnożenie i zredukuj wyrazy podobne.

a) (4x+3) (-2x²-3x+1)=....

b) (-3x²-4x-5) (3x-1)=....

zad.2.

wykonaj mnożenie i zredukuj wyrazy podobne.

a) (3x-5) (4x+2)+ (3-x) (x+4)=...

b) (9x+2) (-3x+1)+ (-2x-3) (x+1)=...

pliss, pomóżcie. ; *


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