October 2018 1 11 Report
Równania kwadratowe: a)2xkwadrat-10x+12=0 b)xkwadrat-6x+9=0 c)-xkwadrat+4=0 d)-xkwadrat+5x-6=0 e)2xkwadrat+2x=0 f)2xkwadrat-8=0 2. a)(3-x)(x-1)=(x+2)(x-1) B)(x-2)kwadrat-(x-2)(x+3)=0 c)(x+1)kwadrat=(x+2)(3-x)=2

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