1. Zapisz w postaci jak najprostszej liczby algebraicznej :
a ). (x+1)(x +4 )
b ). 2(2x+3)(2x-1)
a) x+x +1+4 = 2x +5
b) 2x (2x +3) (2x -1) = 4x +3 4x -1 = 8x +2
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a) x+x +1+4 = 2x +5
b) 2x (2x +3) (2x -1) = 4x +3 4x -1 = 8x +2