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Namporecla
a fost răspuns

Descompuneti in factori : x(x+2012) + 2012(x+2012) - 144

Răspuns :

Simonarusu
=(x+2012)(x+2012)-12²=(x+2012)²-12²=(x+2012-12)(x+2012+12)=(x+200)(x+2024)