3miiimiii3 3miiimiii3

01-05-2020
Mathematics

contestada

What are the factors of x^2-81

A.) (x+9) (x-9)

B.) (x-9) (x-9)

C.) (x+3) (x-27)

D.) prime

Respuesta :

skislope33 skislope33

01-05-2020

Answer:

A. x-9 and x+9 because these are perfect squares. 9 times -9 is -81. x times x is x^2. 9 + -9 is 0

Step-by-step explanation:

Answer Link

amna04352 amna04352

01-05-2020

Answer:

A.) (x+9) (x-9)

Step-by-step explanation:

x² - 81

x² - 9²

(x - 9)(x + 9)

Answer Link

Otras preguntas

Solve each quadratic equation. Show your work. 14. (2x – 1)(x + 7) = 0

Solve for x: |x| − 8 = −5

There was a ray of hope for the prisoner means?

The perimeter of a rectangular swimming pool is 154m.its length is 2m more than twice breadth . what are the length and breadth of the pool?

Solve for x: |x| − 8 = −5

reasons to join a labor union

Which statement describes a key reason that Great Britain was the first country to industrialize? A. It had slave labor to work in the new factories. B. It was

Nepal and Bhutan are both located in the Himalaya Mountains. This means they have less of which resource than the other South Asian countries? potential tourism

One circle has a diameter of 6 inches. A second, larger circle has a diameter that is four times the diameter of the first circle. What is the ratio of the area

Which of the following is NOT an element of nationalism? A. a common history and culture B. a strong sense of patriotism C. a common language D. an openness to