February 2019 0 14 Report
1. Rozłóż wyrażenie na czynniki:
 ( x^{2} +10x+21) (4 x^{2} -25)=

(2 x^{2} -9x-5)( x^{2} -9)=

(-3 x^{2} +x+2)( x^{2} -7)=

2. Oblicz wartość wyrażenia dla x=√3


W(x)= x^{3} -4 x^{2} +5x-7


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