Question

¿Cuáńto es x + (1/5·x)² = 6?

Answer 1

1/5x²+x-6=0
a=1/5=0.2
b=1
c=-6

X₁=$\frac{-(1)+ \sqrt{1 ^{2}-4(0.2)(-6) } }{2(0.2)} = \frac{-1+ \sqrt{5.8} }{0.4} = \frac{-1+2.408}{0.4} = \frac{1.408}{0.4} =3.52$

X₂=$\frac{-1-2.408}{0.4}=-8.52$

Conjunto solución: ( 3.52 ,  - 8.52)

Saludos!