A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 one year ago
3x² + 21x = 12, can someone explain to me how to find the value of x?
anonymous
 one year ago
3x² + 21x = 12, can someone explain to me how to find the value of x?

This Question is Open

pooja195
 one year ago
Best ResponseYou've already chosen the best response.0Well is this meant to be one of those quadratic equations?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yes, its something ive been having troubles with.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0whoops, the question was mistyped, here is the equasion 3x² + 21x + 2 = 14

pooja195
 one year ago
Best ResponseYou've already chosen the best response.0ok \[\huge~\rm~ax^2+bx+c=0 \] is this familiar?

pooja195
 one year ago
Best ResponseYou've already chosen the best response.0Alright so make your given equation = 0 then list your abc values

anonymous
 one year ago
Best ResponseYou've already chosen the best response.03x² + 21x + 2 = (0?) a = 3 b = 21 c = 2

pooja195
 one year ago
Best ResponseYou've already chosen the best response.0We need to subtract 214=?

pooja195
 one year ago
Best ResponseYou've already chosen the best response.0No... it would 12 then you would do 3x^2+21x12=0 Now list the abc values

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i think i figured it out now, thanks
Ask your own question
Sign UpFind more explanations on OpenStudy
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.