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

A bag contains 3 marbles, 3 rocks, and 3 pencil erasers. hilde will take one item from the bag without looking. what is the probability that she will not choose

Which of the following is the most appropriate unit to describe the rate of the cost of gasoline? Dollars per gallon, because the dependent quantity is the ga

Does is make sense: However, there are heroic characters in the book that sacrifices in life for the sake of others.

What role did warfare play in the various nineteenth-century nation-building efforts?

What is the correct name for the compound mn 3(po 4)2manganese (ii) phosphatemanganese phosphatemanganese (i) phosphate manganese (iii) phosphate?

why did politicians practice conservative policies

Danny's jump rope is 6 meters long. How many decimeters is his jump rope?

describe the following influences on our foods choices and provide an example of each

plz help question in picture

Two researchers are studying the decline of orangutan populations. In one study, a population of 784 orangutans is expected to decrease at a rate of 25 oranguta