👤

Ajutati-ma va rog
(x-4)la a doua -(x-5)(x+3)


Răspuns :

[tex] (x-4)^{2}-(x-5)(x+3)= x^{2} -8x+16-( x^{2} +3x-5x-15)[/tex]=[tex] x^{2} -8x+16- x^{2} +2x+15=-6x+31[/tex]