September 2018 2 28 Report

1.Doprowadź do najsprostszej postaci:

-3+2a²-2b+3b²+2-2b+2a=

2.(a+3)²+(3a-1)²-2(a-3)(a+3)=

3.(-3x-3y)²-4(-5x-1)(1-3x)=

dla X= -1 , dla Y= 1


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