alycatgoesrawr
alycatgoesrawr
22-08-2017
Mathematics
contestada
Posting a screenshot. please help.
Respuesta :
texaschic101
texaschic101
22-08-2017
x^2 + 10x + 11 = 0
x^2 + 10x = -11
x^2 + 10x + 25 = -11 + 25
(x + 5)^2 = 14 <===
x + 5 = (+-) sqrt 14
x = -5 (+-) 3.74
x = -5 + 3.74 = -1.26 <== solution
x = -5 - 3.74 = - 8.74 <== solution
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