October 2018 1 33 Report

Rozwiąż równania:

a)x^2+8x+7=0

b)x^2-10x+9=0

c)16x^2+24x+9=0

d)3x^2+x-1=0

e)x^2+x-1=0

f)x^2-4x-1=0

g)-6x^2+x-2=0

h)x^2-4x+7=0

z góry dziękuje.


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