September 2018 1 55 Report

ROZWIĄŻ

A)

x²-9x=0

x²+9=0

x²-4x-9=0

x²-4x=9x+8

(x+9)²=4

B)

X²-2X+9>0

-3X²+9X<0

dAM NAJ ZA WSZYSTKIE.. PLIS POMÓŻCIE..


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