February 2019 0 18 Report
Zad.1.Rozłóż na czynniki wyrażenie
a)(x^2+x-4)^2-(x+d)^2
b)a^2-b^4
c)25x^2-20x+4
d)(3x+4)^2-4

zad.2.Rozwiąż równanie
a)(x+3)^2=(x-1)^2
b)y-5/4-2y+1/3=2 i 1/2-y
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