Mark M. answered • 04/06/16
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
x2 + 6x - 12 = 0
x2 + 6x = 12
x2 + 6x + 9 = 12 + 9
(x + 3)2 = 21
x + 3 = ±√21
x = -3 ±√21
Katherine S.
asked • 04/06/16Solve by completing square
x^2+6x-12=0
Follow
•
2
Add comment
More
Report
1 Expert Answer
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
