Răspuns :
5x^2 + x -4 : x+1
-5x^2 -5x 5x-4
---------------
-4x-4
4x+4
--------
====
Deci = (x+1)(5x-4)
-5x^2 -5x 5x-4
---------------
-4x-4
4x+4
--------
====
Deci = (x+1)(5x-4)
[tex]5 {x}^{2} + x - 4 = 5 {x}^{2} + 5x - 4x - 4 = 5x(x + 1) - 4(x + 1) = (x + 1)(5x - 4)[/tex] sper ca te.am ajutat!