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

PLEASE HELP BRAINLIES+20 POINTS ASAP!!!!!!!!!! A rectangle has a width that is 3 less than twice the length. If the rectangle has an area of 170 square inches,
how do you create a shade of a color​
suppose there is a country in economic ruin after world war II. it seeks monetary aid from a world superpower. the country supports a command economy and oppose
someone help i honestly need a Spanish tutor
How many hours will it take the reptile food to reach 72.5
Which type of character do the men represent
6 What is the answer to this problem
If a person's heart is pumping 5000 ml of blood in one minute and the heart rate is 50 beats per minute, what is the cardiac output?
Determine the number of possible solutions. If a solution exists,solve the triangle. Round angle measures to the nearest minuteand side measures to the nearest
Jamila was so happy when she and harry started dating that life felt like a wonderful dream. when harry dumped her after a month, jamila stayed in her room all