Ask your own question, for FREE!
Mathematics 21 Online
OpenStudy (anonymous):

What is the solution of n² – 49 = 0? –7 7 ±7 There is no solution.

OpenStudy (hoblos):

n² – 49 =0 (n-7)(n+7)=0 n=±7

hero (hero):

n² - 49 = 0 n² = 49 n = ± 7

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
Countrygirl52: Why do we celebrate Halloween
27 minutes ago 11 Replies 3 Medals
75: How to hide a body guys
2 hours ago 10 Replies 1 Medal
Breathless: Hey down below for Halloween that are wearing on this SPOOKY night!
55 minutes ago 82 Replies 4 Medals
breiadabrattzz: Halloween debate Would you go to a party or stay home n watch scary movies all da
2 hours ago 32 Replies 6 Medals
Subshilava: You guys i finished my college essay because i lowkey hated my other one but idk
12 hours ago 5 Replies 2 Medals
ihy: Two cars move in the same direction along parallel roads. One of them is a 200 m long travelling with a velocity of 20 m/s.
23 hours ago 3 Replies 2 Medals
ihy: From the top of a tower of height 50m, a ball is thrown vertically upwards with a certain velocity.
1 day ago 6 Replies 3 Medals
ihy: A cycle turns around a curve at miles per hour. If he turns at double the speed,
1 day ago 4 Replies 3 Medals
Logan2020: anyone know how to turn of the hallowen theme?
1 day ago 8 Replies 1 Medal
ihy: A ball is thrown vertically upwards with an initial velocity returns in 2 s. The total displacement of the ball will be? a) 22.
1 day ago 13 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!