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 ( 72+ )
Otras preguntas
Find the slope of the line through each pair of paints
It takes 48 pounds of seeds to completely plant a five acre field, how many acres can be planted per pound?
45.6 x 10 to the 1st power
Which best summarizes the increase in costs at public four-year colleges over the past 30 years? They have increased more than private four-year colleges but l
Many high school basketball players want to play college ball. Some seek college scholarships. They must take the ACT. They must score at least a seventeen on t
what will happen to the sand when you pour water into the river??
What is true about the solution of x^2/2x-6=9/6x-18? x=±√3, and they are actual solutions... x=±√3, but they are extraneous solutions.... x = 3, and it is an ac
Identify the events that took place in Kansas as a result of the passage of the Kansas-Nebraska Act.
Find f(-2) of f(x) = 3x+x^2
[Honors Seg 1, Lesson 01 MC] "By Freedom gained, by Truth maintained, Thine Empire shall be strong." In a response of two to three sentences, explain how these
