August 2018 1 37 Report
Rozwiąż równania
1)3 (x-1)=-x
2)(x+1)²=x²
3)2(x+1)²=(2x-1)+4
4)-4(½x-2)-4=2(x+2)
5)2x(x-1)+4=2(x-1)²
6)-(x-2)²+3(x-7)=2-(x+1)(x-1)
7) -7(x+2)+4=-3x
Rozwiąż nierówności
1)⅓x≥-2
2)-3x≤6
3)-½x >-2
4)-4(2x+1)≥-(x+1)
5)(x+2)²-(x-2)²<0

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