srobins721 srobins721

03-02-2021
Mathematics

contestada

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

Respuesta :

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

When Japan and Germany began their aggressive actions overseas, many Americans believed that it's two great oceans protected the u.s the passage of which law,ho

The seventh grade class is putting on a variety show to raise money. It cost $700 to rent the banquet hall that they are going to use. If they charge $15 for ea

24x+2y=52 6x-3y=-36 How would I solve by elimination showing work

Please help explain work? A construction company plans to invest in a building project. There is a 25% chance that the company will lose $40,000, a 35% chance

The single-celled paramecium illustrates an important characteristic of life. That is A) evolution. B) locomotion. C) reproduction. D) consuming food.

A group of hikers walked 2 1/4 km in 3/4 hour. How far will they go if they maintain the same pace for: 2 hours?

Pasteurization was originally intended for alcoholic beverages

Use the shapes below, which is true?

If I spend 33 dollars buying candy each candy cost 3 dollars how many candy should I buy?

Morrow Enterprises Inc. manufactures bathroom fixtures. The stockholders’ equity accounts of Morrow Enterprises Inc., with balances on January 1, 2016, are as f