Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
64x^3+8=0
I know what the answers SHOULD be, I'm just so confused how to get there.
 one year ago
 one year ago
64x^3+8=0 I know what the answers SHOULD be, I'm just so confused how to get there.
 one year ago
 one year ago

This Question is Closed

Algebraic!Best ResponseYou've already chosen the best response.0
are you asked to solve for x or expand?
 one year ago

WhiteRabbitBest ResponseYou've already chosen the best response.0
isn't it the sum of a square but in cubic form so you have 4x and 2 and then you get (4x+2) = 0 and (4x^2+8x+4)
 one year ago

WhiteRabbitBest ResponseYou've already chosen the best response.0
i'm having trouble when using the quadratic formula because i get that x = 1/2 (right) and x=1 which is wrong.....
 one year ago

Algebraic!Best ResponseYou've already chosen the best response.0
you're just asked to solve for x it looks like.. that's pretty easy
 one year ago

Algebraic!Best ResponseYou've already chosen the best response.0
subtract 8 from both sides and divide both sides by 64
 one year ago

Algebraic!Best ResponseYou've already chosen the best response.0
take the cube root of both sides x=1/2
 one year ago

WhiteRabbitBest ResponseYou've already chosen the best response.0
i already got that part, i need the other two x's
 one year ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.