October 2018 2 12 Report

Rozwiąż równania:

a) 2x+8(2x-3)-6(x-3)=5(3x+1)+2x-11

b) 6(3,5-1,2x)=5(-3,5x+1,2)+0,3x

c) (x+1)(x+8)=(x+3)(x+5)

d) (x-4)²-1=(x-3)(x-2)


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