August 2018 1 7 Report
(2x-3)*(x-2)-3(x+3)*(x-5) = 2x²+6-3(x²-15)=2x²+6-3x²+45= -1x²+51

3x(2x-3)-x²(x-1)=6x-9x-x³+ x²= -3x-x = -4x

opracuj w notatce mnożenie wyrażeń.

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