Question

Factorizar:

x2 – 12x + 48

Answer 1

 Se hace con la formula general
$\quad x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$
Sustituimos
$\frac{12+\sqrt{\left(-12\right)^2-1\cdot \:4\cdot \:48}}{2}$
Resolvemos
$x_1=6+2\sqrt{3}i,\:x_2=6-2\sqrt{3}i$

Answer 2

x^2-14x+48=(x-8)(x-6)