Question

Допоможіть будь ласка ​

Answer 1

$y = x {}^{2} - 2 \times \\ a = 1.b = - 2 \\ \times = \frac{ - 2}{2 \times 1 } \\ \times = 1 \\ y = {x}^{2} - 2 \times . \times = 1 \\ y = - 1 \\ (1. - 1)$