X²-5X-6 descompune in factori


Răspuns :

[tex]x^{2} -5x-6= x^{2} -2x-3x-6=x(x-2)-3(x-2)=(x-2)(x-3)[/tex]

x² - 5x + 6 = x² - 3x - 2x + 6 = x²- 2x -3x + 6 = x(x - 2) - 3(x - 2) = (x -2 )(x-3)