Ask
your own question, for FREE!

Mathematics

OpenStudy (anonymous):

SOlve: 3x^2 = 147

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

x^2=49 x=+/-7

Parth (parthkohli):

Divide both sides by 3. \(\Large \color{MidnightBlue}{\Rightarrow x^2 = 49 }\) Find the sqrt of both sides.

OpenStudy (anonymous):

So x = 7

OpenStudy (anonymous):

or -7

OpenStudy (anonymous):

Or would it be x = 7 and x = -7

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

+7 and -7, both will be roots of this equation

Parth (parthkohli):

Yea, or you could say: \(\Large \color{MidnightBlue}{\Rightarrow x = \pm7 }\)

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!

Join our real-time social learning platform and learn together with your friends!

Latest Questions

sleepyfish:
It takes one week for a crew of workers to pave u2157 kilometer of a road. At that rate, how long will it take to pave 1 kilometer? Write a multiplication e

8 minutes ago
1 Reply
0 Medals

Hamzic7:
use synthetic division to find a second root that will reduce the cubic expressio

7 minutes ago
1 Reply
0 Medals

iuytyuioiuytyuiop:
Find the equation of the line with slope m=u221213 and passing through the point (1,13).

11 minutes ago
34 Replies
1 Medal

XxxMioxxX:
I have finished my drawing peeps you guys can see it now.

18 minutes ago
4 Replies
1 Medal

iuytyuioiuytyuiop:
Find the equation of the line with slope 2/5 and y-intercept (0,u22124). (Write the equation in standard form.

42 minutes ago
17 Replies
2 Medals

higher:
Which describes the second Great Awakening of the early 1800s? Preachers said society could be improved and salvation was up to the individual.

1 hour ago
0 Replies
0 Medals

Donald1982:
Which unit of measurement would be the most appropriate unit to measure the depth

1 hour ago
2 Replies
0 Medals

Donald1982:
Which unit of measurement would be the most appropriate unit to measure the depth

1 hour ago
1 Reply
0 Medals