August 2018 1 13 Report
Zapisz w jak najprostrzej postaci :
a)2x(x-5) - 3(x² - 2x) + (x-2)x
b)a(a + b + c) -b(a-b+c) - c(a-b-c)

Oblicz wartości liczbowe wyrażeń:
3(x²-2x+3) - 2(x² - 5x - 1) dla x = 2

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