September 2018 2 13 Report

rozwiąż równania kwadratowe:

a. 3x²+4x=0

b. x²-x+¼=0

c. x²-6x-7=0

d. (x-2)²=4

e. x²-3=0

f. x²+8x=0

prosze o rozwiazanie z obliczeniami.


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