September 2018 3 64 Report
5.3 Rozwiąż równania
a)x²+8x+7=0
b) x²-10x+9=0
c) 16x²+24x+9=0
d)3x²+x-4=0
e)x²+x-1=0
f) x²-4x-1=0
g) -6x²+x-2=0
h)x²-4x+7=0
i)6x²-5x+1=0
j)2x²+3x-2=0
k)-x²+5x+3=0
l)4x²-12x+1=0
ł)-4x²+9x-9=0
m)3x²-18x=0
n)4x²+36x+81=0


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