Question

7x2-6x+1=0 fórmula Bhaskara

Answer 1

Δ=b²-4.a.c
Δ=-6²-4.7.1
Δ=36+28
Δ=64 

$x= \frac{6+8}{2.7}$
$x'= \frac{14}{14} x'=1$

$x"= \frac{6-8}{2.7}$$x"= \frac{-2}{14}$