October 2018 1 14 Report

Rozwiąż równania:

a) (x+3) do kwadratu -1=x do kwadratu

b) x(x-1)-4=(x-2)(x+2)-x

c) 4x do kwadratu -(1-2x) do kwadratu +2x=11

d) 0=4(10-5x)-3(-3x-5)

e) x-4/2 +x+3/5=2(x+3)/3

f) 2x-1/3x+2/5=1/3(4+5x)-7/30


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