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

The function of the eardrum in the middle ear is to
What is the amplitude of y=1/2 sin2x
What are the functions of receptors in our body? Think of a situation where receptors do not work properly. What problems are likely to arise?
you have a standard deck of 52 cards. you pick one card and then, with out putting the first card back, you pick a second card. what is the probability that bot
What is the least common denominator for 5/6 and 3/8. 3/4 and 6/7
what's another word for over thinking?
What were the major causes of WWII? Please include at least 4 answers.
Why is sodium sulphate hemihydrate called as "Plaster of Paris"?
you have a standard deck of 52 cards. you pick one card and then, with out putting the first card back, you pick a second card. what is the probability that bot
What is the amplitude of y=1/2 sin2x