Jaooo

Squaring

\begin{aligned} Izračunaj ove izraze \\ a) x^{2} - 3 x = \sqrt{x^{2} - 2 x + 5} \\ b) x^{2} - 3 x = \sqrt{x^{2} - 2 x + 5} \\ c) (\binom{21}{x}) \sum_{x}^{x + 12} \\ d) x_{3} - \end{aligned}