Respuesta :

apologiabiology
use quadratic formula
for
ax^2+bx+c=0
x=[tex] \frac{-b+/- \sqrt{b^2-4ac} }{2a} [/tex]
a=2
b=7
c=-5

the unsimplified solutions are

x= [tex] \frac{-7+ \sqrt{7^2-4(1)(-5)} }{2(1)} [/tex] and [tex] \frac{-7- \sqrt{7^2-4(1)(-5)} }{2(1)} [/tex]

thatgirlshe1
i am not sure but i think your answer is 1/7