October 2018 1 25 Report

1. Zapisz w najprostrzej postaci

1-\sqrt{5}- (2\sqrt{5}-3)^2


2. Rozwiaż równania

a) (2x+1) do kwadratu= 6+3x do kwadratu

b) (2x-5)(2x+5)=x-25

c) 10x-x do kwadratu =25


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