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 ( 42+ )
Otras preguntas
Solve for b . 3 – 2(b – 2) = 2 - 7b b=
Discuss the importance of the case of Flippo v. West Virginia (1999), and how it relates to searches at homicide scenes.
Which is the same as 98.52 ÷ 10?
Question 12 of 20 : Select the best answer for the question. 12. Using the order of operations rule, solve the following: 12+2 +4 -2 3 = ? jes A.4 O B.24 C.36 O
Which of the following lubricants is safe to use with a condom? O baby oil O petroleum jelly O contraceptive foam O hand lotion
Find 0.45% of 80 + work to get answer
A person travels distance πR along the circumference of a circle of radius R. Displacement of the person isa. R b.2R c.2πR d.
What are the factors of x^2- 4x – 5? Check all that apply. x-5 x-2 x-1 x + 5
after copying the information before you begin the following steps. complete or incomplete?
Explain the difference between the intensity and the value of hue
