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

least to greatest 20%, 1/4,1/8,.31,32%
please help me answer this question.​
Read the excerpt from Susan Fenimore Cooper's essay "August." The whole country, within a wide circuit north, south, east and west, partakes of the same general
Help pls I will give 37 points if helped
PLZ HURRY IT'S URGENT!!!! Why did Orwell use the Soviet government as a basis for Animal Farm? A. as a criticism of Joseph Stalin, who seized control of the
TRUE OR FALSE Nerve cells, or neurons, carry messages in one direction.
When geographers study human systems, they are finding out about peoples culture. Please select the best answer from the choices provided true or false.
What is that answer to this question?
I need help pls thanks​
9282 divided by 433 with a remainder