Dla x = -1
[tex]3x^2-2x=3\cdot(-1)^2-2\cdot(-1)=3\cdot1+2=3+2=\boxed5\\[/tex]
Dla x = 0
[tex]3x^2-2x=3\cdot0^2-2\cdot0=3\cdot0-0=0-0=\boxed0\\[/tex]
Dla x = 1
[tex]3x^2-2x=3\cdot1^2-2\cdot1=3\cdot1-2=3-2=\boxed1\\[/tex]