Ask your own question, for FREE!
Mathematics 8 Online
OpenStudy (anonymous):

4(x^2-8)=84

OpenStudy (anonymous):

Divide both sides of the equation by 4 to get: x^2 - 8 = 21. Add 8 to both sides to get: x^2 = 29. Thus, the solutions are +sqrt(29) and -sqrt(29).

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!