bublyjav bublyjav

03-06-2022
Mathematics

contestada

Factor: 5x2 – 15x – 20.

(a) 5(x-4)(x+1),

(b) -2(x-4)(x+5),

(c) -5(x+4)(x-1),

(d) 5(x+4)(x+1).

Respuesta :

loneguy loneguy

03-06-2022

Answer:

[tex]a)~5(x-4)(x+1)[/tex]

Step-by-step explanation:

[tex]~~~5x^2 -15x -20\\\\=5(x^2 -3x -4)\\\\=5(x^2 -4x +x -4)\\\\=5\textbf{[}x(x-4) +(x-4)\textbf{]}\\\\=5(x-4)(x+1)[/tex]

Answer Link

Otras preguntas

The term overdose implies a/an a. accidental toxic exposure. b. safe dosage administration. c. intentional toxic exposure. d. misreading of a prescription l

What new movement arose from the Roe v. Wade decision, and how does that movement influence politics today?

This data set gives the scores of 41 students on a biology exam: {66, 67, 67, 68, 80, 81, 81, 82, 22, 65, 66, 68, 69, 70, 71, 71, 71, 72, 72, 73, 73, 74, 75, 7

What is the answer ?

One day, Jeanine earned 37.50.. how many hours did she work if she makes $5.00 each hour?

What is the distance between the points [-3,5] and [4,6]? Simplify the radical.

How does the force required to lift an object in water compare to the force needed to lift the same object on land?it is the exactly the same for the same objec

How to solve this problem

Waves of energy in the electromagnetic spectrum travel through space and into the earths atmosphere. Which waves pass more crests past a point per second?

The Great Lakes of the United States are often covered with a sheet of ice every winter. Which best explains why this ice does not sink to the bottom?