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Helppppp!! Mateeeeeee!

Helppppp Mateeeeeee class=

Răspuns :

Răspuns:

...a) x^2+5x+6

x^2+2x+3x+6=x(x+2)+3(x+2)=(x+2)(x+3)

b) x^2+7x+12=

x^2+3x+4x+12=x(x+3)+4(×+3)=(x+3)(x+4)