September 2018 1 21 Report

1). rozwiąż:

a) x do kwadratu > 4x

b) x do kwadratu +10x+25>0

c) 2x do szóstej - 8x do czwartej- 2x do kwadratu +8=0

d) |2x-1|większe badz równe 4


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