Question

Find the solution to –x2 – 2x – 5 = 0

Answer 1

use the quadratic formula or solve by completing squares
but first
–x2 – 2x – 5 = 0
-(x2 +2x + 5 )=0
(x2 +2x + 5 )=0

Answer 2

once again thanx

Answer 3

using quadratic formula:
[2 +- sq. root of 4 - 4(-1)(-5)] / -2
answer will be -1 - sq. root of 6 and -1 + sq. root of 6

Answer 4

thanks bro