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 ( 85+ )
Otras preguntas
who was aloud to speak to the emperor in ancient china?
what would be your first step in solving -3x>0
Neolithic people of the Sahara migrated south because of A. desertification. B. warfare. C. disease. D. invasion. Reset Selection
What are the 3 major factors that contribute to Africa's lack of economic and human development?
Name the algebraic property demonstrated in the example below: (2 + x) + y = 2 + (x + y) A. Communatative property of addition B. Associative property of additi
Squeezy fruit drink is 36% pure orange juice and 64% water, if 1 L of Squeezyfruit drink is mixed with 600 mL of water what is the concentration of juice in the
square RSTU dilates by a factor of 1/2 with respect to the origin. if R'S' is 2 units, what is RS? -0.5 -2 -1 -4 -6
Two students, Ann and Max, factored the trinomial 4x2 − 6x − 4. Ann factored it as 2(x − 2)(2x + 1) and Max factored it as (x − 2)(4x + 2). Indicate which stude
An inchworm ran into a log while on his way to the raspberry patch. The diameter of the log is 32 cm. How far did the inchworm travel while on the log?
A ball of yarn is cut into pieces.Each piece is 65 centimeters long. a. How long was the ball of yarn? b. How much yarn is left if one piece is given away? Give
