Odpowiedź :
[tex] - 5 {x} ^{2} - 2x + 1 \\ \\ - 5( - 1 {)}^{2} - 2( - 1) + 1 = \\ = - 5 \times 1 + 2 + 1 = \\ = - 5 + 3 = \\ = - 2[/tex]
Odp.A
[tex] - 5 {x} ^{2} - 2x + 1 \\ \\ - 5( - 1 {)}^{2} - 2( - 1) + 1 = \\ = - 5 \times 1 + 2 + 1 = \\ = - 5 + 3 = \\ = - 2[/tex]
Odp.A