Question

Ajuda por favor x² - 5x + 6 = 0

Answer 1

$x^2 - 5x + 6 = 0 \\ \Delta = b^2 - 4ac \\ \Delta = 25 - 24 \\ \Delta = 1 \\ \\ x = \frac{-b \pm \sqrt{\Delta}}{2a} \\ \\ x = \frac{5 \pm 1}{2} \\ ----- \\ x' = 3 \\ x'' = 2$