david66
david66
18-08-2017
Mathematics
contestada
number 6, part B. i don't understand
Respuesta :
kphung76127
kphung76127
18-08-2017
x^2+2x= -8
x^2+2x+1= -8+1
(x+1)^2= -8+1
(x+1)^2=-7
x+1= √-7
The answer is No Solution because the root of a negative number is not a real number.
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