Question

resolver la sgt ecuacion : x al cuadrado + 2 = 5x

Answer 1

$x^2+2-5x=0$
usamos la chicarronera

x=$\frac{-(-5)+- \sqrt{(-5)^2-(4)(1)(2)} }{2(1)}$

$x_{1}= \frac{5+ \sqrt{17} }{2} \\ x_{2}= \frac{5- \sqrt{17} }{2}$
;)