malu1999
malu1999
02-09-2016
Mathematics
contestada
How to factor it and by what
Respuesta :
wixmatwishwa
wixmatwishwa
02-09-2016
x^2 -5x -20=0
(x - 5/2)^2 -20 -25/4=0
(x-5/2)^2-105/4=0
(x -5/2 -(105)^1/2)(x -5/2 +(105)^1/2)=0
factors are (x -5/2 -(105)^1/2) and
(x -5/2 -(105)^1/2)
Answer Link
VER TODAS LAS RESPUESTAS ( 25+ )
Otras preguntas
If you greet someone who is much older than you, how do you ask “How are you?” in Spanish? A. ¿Cómo estás? B ¿Cómo está usted? C. ¿Y tú? Unselected answer D.
Select the correct answer. Select the expression that best completes this conversation between two friends: Amélie: Jean: Très bien, merci. Et toi? O A. Salut!
A manufacturer estimates that each unit of a particular commodity can be sold for $3 more than it costs to produce. There is also a fixed cost of $17000 associa
To convert centimeters to kilometers, which conversion factors would you need?
What are the coordinates of the roots of the equation 3 + 2x-x^2 = 0
-3(1- 7v) = 102 how do to solve this problem?
PLS HELLPPP thank u
The wall of the bulb of a thermometer is made thin why?
Advancements in technology have allowed emailing, talking on a cell-phone, and texting to become very popular forms of communication. Which form or method of co
pls help with this 50+ points alg2
