October 2018 1 18 Report

Równania kwadratowe.

1)(x-1)(x+8)=0

2)x²-3=0

3)x²+4=0

4)x²+6x=0

5)(x-1)(x+3)=(x+4)(x-4)

6)(x-4)(x+8)=((x-4)(3x-2)

7)x²+7x+6=0

8)-x²+6x+2=0

9)x²-4x+10=0


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