Ask your own question, for FREE!
Mathematics 11 Online
OpenStudy (anonymous):

(x+9)^2+9(x+9)+14=0

hero (hero):

Hint: If you let y = x + 9, then the quadratic becomes y^2 + 9x + 14 = 0

myininaya (myininaya):

y^2+9y+14=0 * :p

hero (hero):

Oops

hero (hero):

Yes, @myininaya corrected me. Replace y = x+9 to get y^2 + 9y + 14 = 0. @SamWhom, do you think you can solve it from here?

OpenStudy (anonymous):

Yes, I can Thank you! c:

hero (hero):

Okay, you should try to solve it now and let me know what you get.

OpenStudy (anonymous):

{-11,-16} Right?

hero (hero):

Correct

hero (hero):

x = {-11,-16}

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!