itsmichelle29 one year ago Which of the following is a solution of x2 + 4x + 6? −2 + i times the square root of 2 2 + i times the square root of 2 −2 + three i times the square root of 2 −2 + three i times the square root of 2

1. itsmichelle29

medal and fan thanks

2. triciaal

welcome to openstudy

3. triciaal

one approach is to find x by completing the square remember that i = square root of -1 and i^2 = -1

4. itsmichelle29

5. Jacob902
6. itsmichelle29

...... I still can find it

7. itsmichelle29

cant*

8. triciaal

|dw:1436061993771:dw|

9. itsmichelle29

oKay then what

10. triciaal

|dw:1436062080542:dw|

11. itsmichelle29

|dw:1436058560914:dw|

12. itsmichelle29

then?

13. triciaal

|dw:1436062155788:dw|

14. triciaal

|dw:1436062258729:dw|

15. itsmichelle29

|dw:1436058692944:dw|

16. triciaal

|dw:1436062327536:dw|

17. itsmichelle29

omg thank you can you help me with one more??? ill fan and medal

18. triciaal

|dw:1436062537554:dw|

19. itsmichelle29

thank you ... but can u help me

20. triciaal

do you understand the steps I used?

21. itsmichelle29

Yes abit .. but i used quadratic formulaa