feliciamaishakujo feliciamaishakujo
  • 03-09-2020
  • Mathematics
contestada

Which is a factor of 5x2 − 15x − 20?

Respuesta :

julie005
julie005 julie005
  • 06-09-2020

Answer:

x= -1, x=4

Step-by-step explanation:

5x²-15x-20

5x²-20x+5x-20=0

5x(x-4) +5(x-4)

(5x+5) (x-4) =0

5x=-5 or x=4

x= -5/5. or x=4

x= -1 or x=4

Answer Link

Otras preguntas

3n + 14 = -4 What does n equal.
Who is a Christan? I just want to know...
Points Q, R, S, and T are shown on the number line. What is the distance between point Q and point S on the number line A) 2 units B) 4 units Eliminate 6 units
A company is planning on expanding and building a new plant in one of three countries in Middle or Eastern Europe. The general manager, Patricia Donegal, has de
9.5 less than a number n equals 27
help me please its urgent ​
What is an ion? What are the two ways in which an ion can be made?
I NEED HELP PLEASE !!!!!!!!
How many milliliters (ml) in this graduated cylinder?
Escoge la mejor respuesta. Select the best answer. Acabo de pasar dos semanas magníficas en San José, Costa Rica. Fue el viaje de mis sueños y tengo tantos recu