A community for students.
Here's the question you clicked on:
 0 viewing
osanseviero
 3 years ago
How to solve this?
osanseviero
 3 years ago
How to solve this?

This Question is Closed

osanseviero
 3 years ago
Best ResponseYou've already chosen the best response.1\[10a ^{2}20a+8\] Do I need to use the general formula?

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1solve ? if you want to solve you need an equation (with =0) do you want to factor this ?

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1yes what ? factor or solve ?

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1then yes, you'll need a quadratic formula

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1Compare your quadratic equation with \(ax^2+bx+c=0\) find \[a=...?\\b=...?\\c=...?\\\] \[ \\ \sqrt{b^24ac}=...?\] then the two roots of x are: \(\huge{x_{1,2}=\frac{b \pm \sqrt{b^24ac}}{2a}}\)

osanseviero
 3 years ago
Best ResponseYou've already chosen the best response.1\[\frac{ 20\pm4\sqrt{5} }{ 20 }\]

osanseviero
 3 years ago
Best ResponseYou've already chosen the best response.1Am I correct until here?

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1b =20 right ? so, b =+20

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1yeah, then factor out the '4' from the numerator
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.