Which of the following is a solution of x2 + 4x + 10?

2 + i times the square root of 6

-2 + i times the square root of 24

-2 + i times the square root of 6

2 + i times the square root of 24

Question

8 February, 17:28

+2

Answers (1)

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Holden Johnson · Answer 1

X^2+4x+10=0

x^2+4x=-10

x^2+4x+4=-6

(x+2) ^2=-6

x+2=±i√6

x=-2±i√6

So the correct answer is the third one down from the top.

Which of the following is a solution of x2 + 4x + 10?2 + i times the square root of 6-2 + i times the square root of 24-2 + i times the square root of 62 + i times the square root of 24