Ask
your own question, for FREE!
Mathematics
6 Online
OpenStudy (anonymous):
find the zeros f(x) = x3 – 12x2 + 28x – 9.
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
f(x) = x^3 – 12x^2 + 28x – 9.
OpenStudy (saifoo.khan):
trial and error! :D
OpenStudy (agreene):
\[x=9\] \[x=\frac{1}{2}(3\pm\sqrt{5}\]
OpenStudy (anonymous):
me, if would cheat. who wants to find the zeros of a cubic polynomial? http://www.wolframalpha.com/input/?i=x%5E3+%E2%80%93+12x%5E2+%2B+28x+%E2%80%93+9%3D0
OpenStudy (anonymous):
oh look it is \[x=9,\frac{3\pm\sqrt{5}}{2}\]
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
Twaylor:
Time flies doesn't it? I tried to not be the second squeaky wheel of the household and ended up hurting myself and others severely.
clllaaaaaire:
any tips? the quality isn't the best because I am using this site on my computer
Midnight97:
Kinda a roleplay story between me and my friend enjoy... Part one Forgive me for all the screenshots.
StevenisGhost:
what type of song should I make next, and will y'all go check out my new song on
Midnight97:
My drawing sure changed over the years look at these two pictures from 2024 to no
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
Breathless:
I don't know if this would be considered art, but its close enough I believe, Any
Twaylor:
Time flies doesn't it? I tried to not be the second squeaky wheel of the household and ended up hurting myself and others severely.
1 day ago
12 Replies
2 Medals
clllaaaaaire:
any tips? the quality isn't the best because I am using this site on my computer
2 weeks ago
2 Replies
0 Medals
Midnight97:
Kinda a roleplay story between me and my friend enjoy... Part one Forgive me for all the screenshots.
2 weeks ago
2 Replies
1 Medal
StevenisGhost:
what type of song should I make next, and will y'all go check out my new song on
1 week ago
6 Replies
2 Medals
Midnight97:
My drawing sure changed over the years look at these two pictures from 2024 to no
2 weeks ago
6 Replies
1 Medal
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
3 weeks ago
3 Replies
0 Medals
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
3 weeks ago
0 Replies
0 Medals
Breathless:
I don't know if this would be considered art, but its close enough I believe, Any
3 weeks ago
3 Replies
0 Medals
