Question

Calcule os valores de x' e x" usando o delta e baskara
A) x²+ 5x+6=0
B) x²-2x-8=0
C) x²-12x+36=0
D) x²-3x-10=0

Answer 1

a)$x_{1}$=-3 $x_{2}$=-2
b)$x_{1}$=-2 $x_{2}$=4
c)x=6
d)$x_{1}$=-2 $x_{2}$=5