Question

9x²+5x-24=0 aiuda):​

Answer 1

Respuesta:

X1=1.33 X2=-1.88

Explicación paso a paso:

ax²+bx-c=0

9x²+5x-24

x=-b±√b²-4ac

___________

2a

x=-5±√5²-4(9)(24)

______________

2(9)

x=-5±√5²-4(9)(24)

_______________

18

x=-5±√5²-4(216)

_____________

18

x=-5±√5²-864

_____________

18

x=-5±√25-864

____________

18

x=-5±√-839

__________

18

x=-5± (28.96)

___________

18

X1=-5+28.96

_________

18

X1=23.96

________

18

X1= 1.33

X2=-5-28.96

__________

18

X2=-33.96

_________

18

X2=-1.88