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 ( 89+ )
Otras preguntas
Ok help me it’s due now
71. Before businesses can effectively use relevant data, they need to determine the type of A. information that is needed. B. computer system to purchase. C. re
I need the answer ASAP
Fill in the blanks. 14. Tengo escalofrios y a veces __________ calor a. Estoy b. Tengo c. Siento d. Me duele
1. Which of the following is NOT usually considered a member of the executive committee of a hotel? A. Director of Catering B. Rooms Division Manager C. Directo
which one is the answer
On a coordinate plane, solid circles appear at the following points: (negative 3, 2), (negative 3, 3), (1, 4), (1, negative 4), (2, negative 4), (2, negative 2)
For questions 21-22, underline the adjective clause and circle the noun it is modifying. 21. The man who heeds the word wisely will find good. 22. The package
How has the concept of Manifest Destiny influenced americans society today?
Solve the following system of equations. Show all work and solutions.y = 2x^2 + 6x + 1y = −4x^2 + 1
