vickip99
vickip99
25-03-2016
Mathematics
contestada
in don't understand how to work this problem out
Respuesta :
konrad509
konrad509
25-03-2016
[tex]x^2+8x-11=\\ x^2+8x+16-27=\\ (x+4)^2-27=\\ (x+4-\sqrt{27})(x+4+\sqrt27)=\\ (x+4-3\sqrt{3})(x+4+3\sqrt3)[/tex]
[tex]x^2+6x-11=\\ x^2+6x+9-20=\\ (x+3)^2-20=\\ (x+3-\sqrt{20})(x+3+\sqrt{20})=\\ (x+3-2\sqrt5)(x+3+2\sqrt5)[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 63+ )
Otras preguntas
When talking with the nurse, a client with a mood disorder says, "i feel rotten. i feel useless. i can't think straight. i feel overwhelmed by everything. i don
The transportation service characteristic that refers to the ability of the transportation provider to move freight between a specific origin and a destination
The following text comes from which amendment? "Congress shall make no law...abridging the freedom of speech, or of the press..." Select the best answer from
The first officials of sporting events events were ___.
Use the proof to answer the question. What is the value for both blanks in Statment 2?
The author of the shame of the cities, which dealt with the graft and corruption in american urban politics, was
A researcher studying public opinion of proposed social security changes obtains a simple random sample of 5050 adult americans and asks them whether or not the
The indian reorganization act in 1934 rescinded the dawes allotment act and reduced the paternalism formerly imposed upon american indians. select one: a. true
The rate of energy consumption by an animal is called
Which best describes a drama written in an experimental style?
