August 2018 2 37 Report
BARDZO PILNE!

Zapisz w jak najprostszej postaci .
a)ax(x-5) - 3(x2-2x)+(x-2)x =
b) x(x2+2x+1)-(-4x3+ 8x2 -6) :2 =
c)12b* (b-1)/4 + 14*(b2-2b)/21 - (b-b2)/3 =

x2 - oznacza podniesione do kwadratu .
* - mnożenie .
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