[tex]dla \: x = - 1 \\ \frac{2 \times {( - 1)}^{2} - 3 \times ( - 1) }{5} - 3 = \frac{2 + 3}{5} - 3 = 1 - 3 = -2 \\ \\ dla \: x = 0 \\ \frac{2 \times {0}^{2} - 3 \times 0}{5} - 3 = \frac{0 - 0}{5} - 3 = 0 - 3 = - 3 \\ \\ dla \: x = 1 \\ \frac{2 \times {1}^{2} - 3 \times 1 }{5} - 3 = \frac{2 - 3}{5} - 3 = - \frac{ 1}{5} - 3 = - 3 \frac{1}{5} [/tex]
