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Eldar1909
a fost răspuns

Descompuneti in factori

Descompuneti In Factori class=

Răspuns :

Mikkka

[3(4x+1) - 4(2x+3)] [3(4x+1) + 4(2x+3)]=


(12x+3-8x-12)(12x+3+8x+12)=


(4x-9)(20x+15)=


5(4x-9)(4x+3)