August 2018 1 20 Report
1.Rozwiąż równanie i sprawdź:
a)2(x+2)-3(x-1)+8=3x-1
b)4x-3(x+7)-5x+2(x-1)=9
2.Rozwiąż równania:
a)(x-2)²-3(x+1)=(x+2)(x-2)-2
b)(x+5)²-(x+3)(x-3)+56=-30
c)4(x-1)²-2(x+2)-19=(2x-3)(2x+3)
proszę!!!!!!
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