November 2018 1 73 Report

Temat dotyczący delty i wyliczania x1 i x2.

Rozwiąż równanie:

a) (x+3)^2 - (x+4)^2 = 3x^2

b) x(x-2)=3(x-2)

c) 1/9x^2 - 1 1/3x= -2

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

^2 - do kwadratu

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