answersLogoWhite

0

By using the quadratic formula.

-b +/- sqrt(b^2-4ac)/2a

a = 2

b = 8

c = 5

-8 +/- sqrt(8^2-4(2)(5))/2(2)

-8 +/- sqrt(64-40)/4

-8 +/-sqrt(24)/4

X = -0.7752551286

X = -3.224744871

my TI-84 graphing calculator confirms this.

you may want that exact answer

User Avatar

Wiki User

14y ago

Still curious? Ask our experts.

Chat with our AI personalities

JudyJudy
Simplicity is my specialty.
Chat with Judy
BeauBeau
You're doing better than you think!
Chat with Beau
ReneRene
Change my mind. I dare you.
Chat with Rene

Add your answer:

Earn +20 pts
Q: How do you solve 2x squared plus 8x plus 5 equals 0?
Write your answer...
Submit
Still have questions?
magnify glass
imp