September 2018 2 50 Report

Witam .

Rozwiąż równanie kwadratowe .

a) x2 - 5x + 6 = 0

b) x2 - 25 = 0

c) x2 + 2x = 0

d) x2 - 2x - 8 = 0

e) ( 3 - 8x )2 + ( 1 - 2x ) ( x - 9 ) = 2x


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