October 2018 1 23 Report

Proszę o pomoc:)
1. x-(x-1)^2=(x+1)(1-x)
2. 5x-2(2(3x-1)-3x)=1-6x

3. 5(x+1)-6(2x+2)=2(5x+5)

4. 4x^2+4x+1=0

5. x^2-3=0

6. 3x^2-6x=0


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