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descompunerea in factori a expresiei E(x)= 2x²+xy-2x-y este​

Răspuns :

[tex]E(x)= 2x²+xy-2x-y = \\ 2x(x - 1) + y(x - 1) = \\ (x - 1)(2x + y)[/tex]

Răspuns:

E(x)= 2x²+xy-2x-y

2x²+xy-2x-y= x(2x+y) - (2x+y)

=(2x+y)(x-1)