Ask your own question, for FREE!
Mathematics 20 Online
OpenStudy (anonymous):

put x^2+4x-21 in vertex form

OpenStudy (anonymous):

(x+2)^2-25

OpenStudy (anonymous):

If you want to learn how to put it into vertex form, look up 'completing the square'.

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!