Ask your own question, for FREE!
Mathematics 18 Online
OpenStudy (anonymous):

x^3-4x<0

OpenStudy (anonymous):

saifoo? you are getting sleepy

OpenStudy (saifoo.khan):

0<x<2

OpenStudy (saifoo.khan):

This^

OpenStudy (anonymous):

\[x^3-4x<0\] \[x(x-2)(x+2)<0\] zeros at -2, 0 and 2. it is a cubic polynomial with positive leading coefficient. therefore it is negative, then positive, then negative them positive.

OpenStudy (saifoo.khan):

:(

OpenStudy (anonymous):

nope

OpenStudy (saifoo.khan):

i was right till here^

OpenStudy (anonymous):

answer is \[(-\infty,-2)\cup (0,2)\]

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!
Latest Questions
Breathless: Spooky witch but cute
4 hours ago 3 Replies 0 Medals
Arriyanalol: help
4 hours ago 10 Replies 2 Medals
Arriyanalol: @tinydinoUwU stop trying to find a argument u blad lil boy
1 day ago 5 Replies 4 Medals
Jaded012023: Please tell me what you all think of this song
7 hours ago 6 Replies 1 Medal
Arriyanalol: bro how
6 hours ago 2 Replies 3 Medals
Arriyanalol: cant wait for the new bluey movie in 2027
1 day ago 12 Replies 2 Medals
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!