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x^2+3x+2=?50 DE PUNCTE

Răspuns :

x²+3x+2

=x²+x+2x+2

=x(x+1)+2(x+1)

=(x+1)(x+2)


x^2 + 3x + 2 =

x^2 + x + 2x + 2 =

x (x + 1) + 2(x + 1) =

(x + 1)(x + 2)