[tex]dla \ \ x = -1\\\\5x-x^{2}-2 = 5\cdot(-1)-(-1)^{2}-2 = -5-1-2 =\boxed{ -8}[/tex]
[tex]dla \ \ x = 0\\\\5x-x^{2}-2 = 5\cdot0-0^{2}-2 = 0-2 = \boxed{-2}[/tex]
[tex]dla \ \ x = 1\\\\5x-x^{2}-2 = 5\cdot1-1^{2}-2 = 5-1-2 = \boxed{2}[/tex]
