Question

ACHAR AS RAIZES
(FX) = 5X² -3X -2

Answer 1

$5x^{2}-3x-2=0$
$delta= (-3)^{2}-4.5.-2$
$delta=9+40$
$delta=49$

$x= \frac{-(-3)+-7}{2}$
$x= \frac{3+-7}{2}$
$x^{1}= \frac{10}{2}$
$x^{1}=5$
$x^{2}= \frac{3-7}{2}= \frac{-4}{2}= -2$