January 2019 0 16 Report
Proszę o rozwiązanie zadań
1. (9-4x^2)(1-2x)+x^2(9-4x^2)=0
2.(x^2-1)(x^2+25)+10x(x^2-1)=0
3.(x+3)(x^2+2x+1)=(x-4)(x^2+2x+1)
4. (2x+1)(x^2-x+2)=x(x^2-x+2)

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