Ask
your own question, for FREE!

Mathematics
21 Online

OpenStudy (anonymous):

What are the methods in solving a quadratic equation by completing the squares?

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

ask satellite..it's his fave topic

OpenStudy (anonymous):

very funny

OpenStudy (anonymous):

would you like to do an example? \[x^2+6x-2=0\] \[x^2+6x=2\] \[(x+3)^2=2+3^2=2+9=11\] \[x+3=\pm\sqrt{11}\] \[x=-3\pm\sqrt{11}\]

OpenStudy (anonymous):

OpenStudy (anonymous):

if you repeat the method with \[ax^2+bx+c=0\] you get \[x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\]

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

Totally forgot that this is how you get the last formula :-) Good to come here

Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!

Join our real-time social learning platform and learn together with your friends!

Latest Questions

Bounty:
Let me out.... I'm trapped is anyone there I'm trapped I've tried to adapt but I

9 hours ago
5 Replies
2 Medals

Ashlynisback:
why does question cove always get mad at my post like I asked what 1+1 is and It

11 hours ago
8 Replies
3 Medals

toga:
what religion are you and what are the rules that you must follow

10 hours ago
55 Replies
4 Medals

balencichronicals:
https://www.secretmsg.link/secret/6647b7c9a865c/ dont be weird .

15 hours ago
0 Replies
0 Medals