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
A student has gotten the following grades on his tests. What is the minimum grade he must get on the last test in order to have an average of 787 83, 81, 70, 74
You are planning a birthday dinner for your best friend and want to give her several choices for where to eat. You describe five different styles of restaurants
-4-(3) = 3+(-5) = 4+6= -5-9= -4+(-9) =
Why is understanding the structure of the earth important
Find the vertex of this parabola: y = -x2 - 4x - 2
What is the slope-intercept form of linear equations? In order to write the equation from the given table, we need to find the slope and the y-intercept. What
Lab: Thermal Energy Transfer
Is √8 a rational number ?
x + 3y = 3 x - 5y = -29 solve by elimination
my mother's work at a bank (into negative sentence)
