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 ( 32+ )
Otras preguntas
Problem 5 What are the three types of triangles, based on ANGLES? Draw an example for each one.
One month Debra rented 8 movies and 3 video games for a total of $38. The next month she rented 2 movies and 5 video games for a total of $35. Find the rental
When is the car exceeding a 10 km/hr speed limit?
10. Which is the graph of the exponential function y = 9(3)x?
How many solutions does the following equation have 3(X + 9) = 2x + 54
HELPPP!!!!!!!! What is the value of f(6)
Find WV 2X+26 2X+31 I'm not sure how to finish this problem or if I'm doing it right. Please help
What’s the answer to 1 and 2??? Whoever gives me the right answer gets brainlest Due in 30 minutes Answer ASAP
What two main types of interactions that environmental scientists study and give an example of each.
Please help me;-; I want to know the answer^_^
