justin3865 justin3865

01-09-2021
Mathematics

contestada

Find the sum and choose the correct answer.

2n 3 + 4n 2 - 7 and -n 3 - 8n - 2

Respuesta :

rijarafiquee rijarafiquee

03-09-2021

Answer:

n³ + 4n² - 8n - 9

Step-by-step explanation:

(2n³ + 4n² - 7) + (-n³ - 8n - 2)

2n³ + 4n² - 7 - n³ - 8n - 2

2n³ - n³ + 4n²- 8n - 7 - 2

n³ + 4n² - 8n - 9

Answer Link

Otras preguntas

Where is Salt Lake City located

Find the zeros: 3r^2 − 16r − 12 = 0

how would I find the unit rate of 1/5 miles over 1/65 hours

How does the electromagnetic spectrum relate to a grouping of stars based on color?

A steamboat tour makes a trip upstream 24 miles and back in total of 10 hours in a river with a current speed of 1mph. What is the speed of the steamboat in sti

The CHAMPUS Reform Initiative (CRI) of 1988 resulted in a new program called TRICARE, which includes __________.

Someone pls help me I will make you brain

Pls help me i really need it

please translate this..... 今日のみんなはどうしていますか

What is the value of "x" in the equation below? 1x4+1x2+3=13