Claire94
Claire94
18-02-2015
Mathematics
contestada
How do you find x
X*-6x-7=0
Respuesta :
konrad509
konrad509
18-02-2015
[tex]x^2-6x-7=0\\ x^2+x-7x-7=0\\ x(x+1)-7(x+1)=0\\ (x-7)(x+1)=0\\ x=7 \vee x=-1[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 33+ )
Otras preguntas
help me out plz!!!!!
Which expression is equivalent to
why does Roosevelt's says the American people got involved in world war in 1914
How to draw a model of an atom with protons, neutrons, and electrons?
How did Andrew Jackson’s policies define the New Democratic Party
use natural logarithmics to solve the equation round to the nearest thousandth 3e^2x +5=26
Need help with question
Read this excerpt from A Child’s History of England by Charles Dickens. What is most likely the main purpose of the text? If you look at a Map of the World, you
The percentage composition of oxygen in the compound Ca(ClO3)2 is approximately
What pull factor is a main reason for Mexican immigration to the United States? A) better jobs B) higher wages C) medical care D) free education
