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 descompuneti in factori
a)(x+2)(2x-1)²-4x-8


Răspuns :

a) ( x + 2)( 2x - 1)² - 4 ( x + 2)
= ( x + 2)( 4x² - 4x + 1 - 4 ) = ( x + 2)( 4x² - 4x - 3)