Ask your own question, for FREE!
Mathematics 33 Online
OpenStudy (anonymous):

how do you solve.... x^3 -216=0 ??

OpenStudy (anonymous):

Whenever you have an equation, you can do the same thing to both sides, and they will remain equal. So: \[x^3 - 216 = 0\] Now add 216 to both sides: \[x^3 = 216\] Finally take the cube root of both sides: \[x = 6\]

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!
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!