👤

descompuneti in factori E(x) =[tex] x^{3} - 7x^{2} +12x[/tex]

Răspuns :

 [tex] x^3-4x^2-3x^2+12x=\\
=x[x(x-4)-3(x-4)]=\\
=x(x-4)(x-3)[/tex]