October 2018 1 10 Report

1. Rozłóż na czynniki, stosując metodę grupowania wyrazów:

a) 2x^{2} - 3x^{2} + 4x - 6

b) x^{2} - 4x^{3} - 4x + 1

c) 3 + 5x^{2} - 5x^{3} - 3x

d) 6x^{2} - x - x^{3} + 6

2. Rozłóż na czynniki:

a) (x+2) (x+2) - 4x - 8

b) 3x + 15 - (x+5) (x-5)


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