LukeNuno
LukeNuno
03-12-2014
Mathematics
contestada
Solve for x:
x2 + 8x = -1
Respuesta :
konrad509
konrad509
03-12-2014
[tex]x^2+8x=-1\\ x^2+8x+16-16=-1\\ (x+4)^2=15\\ x+4=\sqrt{15} \vee x+4=-\sqrt{15}\\ x=-4+\sqrt{15} \vee x=-4-\sqrt{15}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 76+ )
Otras preguntas
There are 20 teachers and 705 students in Corey's school. What is the ratio of teachers to students?
Which of the following is not part of the structure of a nucleotide? A. Amino acid B. Phosphate group C. Sugar D. Nitrogen base
Can anyone help me with this?
Which side had an advantage in location of the war The Americans or the British
Denmark is a good example of a nation-state because... A) Danish and German nationalities intermingle in Schleswig-Holstein B) It is an independent country that
what were the economic difficulties faced by Scotland after the great war?
What is the electron configuration of the oxide ion (o2–)?
The equation of the line perpendicular to 5x + 2y = 20 and containing the point (5, 2) is:
Choose the correct pair
" scarcity can best be defined as a situation in which"
