- All categories
- Pre-Algebra Answers (11,617)
- Algebra 1 Answers (23,845)
- Algebra 2 Answers (9,859)
- Geometry Answers (4,758)
- Trigonometry Answers (2,400)
- Calculus Answers (5,417)
- Statistics Answers (2,767)
- Word Problem Answers (8,839)
- Other Math Topics (4,732)

-b +-√b² - 4ac

-------------------

2a

Plug in the numbers.

-10 +-√10² - 4*4*1

-------------------------

2*4

simplify

-10 +-√84

--------------

8

If you multiply all of this out you come out with your two roots:

x= -.10435

x= -2.39564

...