Question

sabendo que a soma das raizes da equaçao x²+(2k-3)x+2=0 e igual a 7

Answer 1

b=( 2k-3)
a= 1

$Soma = \frac{-b}{a}$
$7 = \frac{-(2k-3)}{1}$
$7 = -2k + 3$
$2k = 3-7$
$2k = -4$
$k= \frac{-4}{2}$
$k = -2$