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 the value of f(7) for the function f(x) = 2x - 5?
Which of these tools can help women detect breast cancer?
According to research, what is the typical result of upward feedback?
Why is trapped air a good insulator? It stops heat transfer. It is actually a poor insulator. It increases heat transfer. It reduces heat transfer.
Divide. −24 ------- 7 Enter your answer as a mixed number, in simplified form, in the box.
How did houdini make jennie the elephant disappear?
What does a point-by-point comparative essay do? It examines each text individually. It compares and contrasts by topic. It uses separate paragraphs to compa
How does political parties affect the political system
Select the entire absolute phrase in the sentence. Eyes glittering with concentration, Jacques moved his cursor toward a chess piece on the screen.
Olivia is making granola bars. She will use 17.9 ounces of pistachios, 12.6 ounces of almonds, 12.5 ounces of walnuts, and 12.5 ounces of cashews. This amount w