Question

Factorise
4x ka spuare-x-12​

Answer 1

Answer:

$4 {x}^{2} - x - 12 \\ \\ x = \frac{ - b± \sqrt{ {b}^{2} - 4ac } }{2a} \\ \\ x = \frac{1 ± \sqrt{1 + 192} }{8} \\ \\ x = \frac{1 ± \sqrt{193} }{8} \\ \\x = \frac{1 + \sqrt{193} }{8} \: \: and \: \: \frac{1 - \sqrt{193} }{8}$