Question

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

Answer 1

medal and fan thanks

Answer 2

welcome to openstudy

Answer 3

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

Answer 4

I cant find the answer

Answer 5

https://www.google.com/search?q=Which+of+the+following+is+a+solution+of+x2+%2B+4x+%2B+6%3F+%E2%88%922+%2B+i+times+the+square+root+of+2+2+%2B+i+times+the+square+root+of+2+%E2%88%922+%2B+three+i+times+the+square+root+of+2+%E2%88%922+%2B+three+i+times+the+square+root+of+2&oq=Which+of+the+following+is+a+solution+of+x2+%2B+4x+%2B+6%3F+++%E2%88%922+%2B+i+times+the+square+root+of+2++2+%2B+i+times+the+square+root+of+2++%E2%88%922+%2B+three+i+times+the+square+root+of+2++%E2%88%922+%2B+three+i+times+the+square+root+of+2&aqs=chrome..69i57&sourceid=chrome&es_sm=0&ie=UTF-8

Answer 6

...... I still can find it

Answer 7

cant*