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 ( 76+ )
Otras preguntas
The function f(x) = 4e* when evaluated for f(2) is:
Find the area of the parallelogram. HELP ASAP PLS!! A=192cm^2 A = 273cm^2 A = 208cm^2 A = 252 cm^2
A box contains 10 red , 3 blue, and 7 white balls , two balls are drawn at random from the box on after the other without replacement. What is the probability
Lanni Products is a start-up computer software development firm. It currently owns computer equipment worth $30,000 and has cash on hand of $20,000 contributed
difference between first past the post system and proportional system??
Which table represents a function?
I need help on question 9.
Determine the point estimate (LaTeX: \hat{p}p ^) of the population proportion and the margin of error (E) for the given confidence interval. Lower bound: 0.223,
Assuming absolute PPP holds, what is the cost in the United States of an Elkhead beer if the price in Canada is Can$2.74
Help pleaseeeeeeeeee explain why Ming emperors disallowed foreign exploration. I'll send pics of my catplease helpppp
