3miiimiii3
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 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

Intr o clasa sunt 36 de elevi arata ca cel putin 6 dintre acestia sunt nascuti in aceasi zi a saptamanii
describe how water moves from the soil into xylem of root hairs ​
Evelyn placed $1,500 in a savings account with 5.2% interest, compounded annually. How much will she have in the account after 12 years? round your answer to th
Explain inter relationship among information system for workplace management information
how to draw a British union jack​
Simplify the answer. 10y=3y+63
Your patient is suspected of tuberculosis. Your PPE should include ________. 1) Simple face mask. 2) Nonrebreather mask. 3) Non-HEPA surgical mask. 4) N-95 resp
If there are 32 students in a class if the number of girls are 6 more than the number of boys find the number
paano nagsimula ang imperyong turk?
Kitty was a trusted friend to Anne elaborate