srobins721 srobins721
  • 03-02-2021
  • Mathematics
contestada

what is the solution set for 2n squared +7n-9=0

Respuesta :

rorycampbell0721
rorycampbell0721 rorycampbell0721
  • 03-02-2021

Answer:

n = 1, -9/2

Step-by-step explanation:

[tex]2n^2 + 7n - 9=0[/tex]

[tex]2n^2 - 2n + 9n - 9=0\\2n (n - 1) + 9(n - 1)=0\\(n-1)(2n+9)=0[/tex]

[tex]n-1=0\\or \\2n+9=0[/tex]

[tex]n = 1, -9/2[/tex]

Answer Link

Otras preguntas

What is 4p-13p-p=-150 More 2 step equations. I don't get this one at all
Binary equivalent of decimal number 170
Why Do We Sweat? Need some help
a spinner is divided into 8 equal sections. 5 sections are red and 3 are green. if the spinner is spun 3 times, what is the probability that it lands on red exa
How does a Retinal Scan Work?
what are the main sacred text of judaism
Compare the various effects that alcohol has on the mind and body at two different blood alcohol concentrations.
Identify two ways of changing the strength of an electric force
What is 4p-13p-p=-150 More 2 step equations. I don't get this one at all
If an ant runs randomly through an enclosed circular field of radius 2 feet with an inner circle of radius 1 foot, what is the probability that the ant will be