Ask
your own question, for FREE!
Mathematics
19 Online
OpenStudy (anonymous):
Attach file need help ,Please! a) x^3 +4x^2 -21x = 0 positive x: f(x)= x^3 +4x^2 -21x = 0 ..............no.....yes....( 1 sign change , than how many ,imaginary and zero ? ) negative x f(-x)= -x^3 + 4x^2 +21x = 0 ................yes......no........( one change, how I know how many ,imaginary and zero ?)
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
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
Arriyanalol:
@tinydinoUwU stop trying to find a argument u blad lil boy
TinydinoUwU:
**(Verse 1)** Yo, trapped in a box, Iu2019m feelin' so confined, Lifeu2019s a game of chess, but Iu2019m stuck in rewind, Every dayu2019s a struggle, man, I
Arriyanalol:
hey umm so i need help with my lanauage art ixl anybody wanna help big mama
Nina001:
ho where do i go to buy Subscirption for a moving pfp because on my screen im on
Arriyanalol:
@tinydinoUwU stop trying to find a argument u blad lil boy
1 day ago
5 Replies
3 Medals
TinydinoUwU:
**(Verse 1)** Yo, trapped in a box, Iu2019m feelin' so confined, Lifeu2019s a game of chess, but Iu2019m stuck in rewind, Every dayu2019s a struggle, man, I
6 hours ago
13 Replies
5 Medals
Arriyanalol:
hey umm so i need help with my lanauage art ixl anybody wanna help big mama
4 days ago
2 Replies
2 Medals
Nina001:
ho where do i go to buy Subscirption for a moving pfp because on my screen im on
5 days ago
4 Replies
2 Medals
