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

If x +2 is a factor of p(x) =x²-kx +7, thrn find the value of k.Also,find the other factor of the polynomial ?

Kara is running a marathon. After 2 hours, Kara has run 13 miles. After 4 hours, Kara has run 26 miles. What is her speed, in miles per hour?

100° 100⁰ X = ??????

what is the principle of foreign policy of Nepal

The sum of 2.236 and 7.555.. must be : A) Rational B) Irrational C) An integer D) A whole number

There are two temples, one on each bank of a river, just opposite to each other. One is 54m high. From the top of this temple angle of depression of the top and

Cuanto vale la y en matemáticas

The width, of a rectangle is 1/2 of its length. What are the sides of the rectangle if its perimeter is 63 in

PLEASE HELP!! Whats the lifestyle or entertainment in The Odyssey? (I need it for a newspaper project so please answer w a good explanation)

Which of the following best describes renewable energy? A. Natural mineral source of energy B. Sources that can be mined or drilled, and will last for a finite