[tex]dla \ \ x = -1\\\\3x^{2}-2x = 3\cdot(-1)^{2}-2\cdot(-1) = 3\cdot1+2 = 3+2 =\boxed{ 5}\\\\\\dla \ \ x = 0\\\\3x^{2}-2x = 3\cdot0^{2}-2\cdot0 =\boxed{0}\\\\\\dla \ \x = 1\\\\3x^{2}-2x = 3\cdot1^{2}-2\cdot1 = 3-2 = \boxed{1}[/tex]