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

ро Daniella is planning to take her friend to a concert for her birthday. Tickets to the concert are $55 each and there is a $25 service fee added to the total
Glados spent the day at the mall, First, she bought three bikes for $10 each. Later, she found 22 dollar bills. Write the total change an integer. to Glado's fu
[tex]-2(3 - 2x) = -6x + 8(x + 2)[/tex]solve step by step​
I have so much more energy when I worked on a regular bases.I need to do it more often!
HELPPP MEEEE HELPPP !!!!!!!!!!!!!!!
Bought 3 pants for $29.99 each with a 10% coupon and 5% sales tax
Fatty acids and glycerol are the subunits of the energy storage molecules called
Which fraction is equivalent to 2/3
Write the following expression without negative exponents and without parentheses. 5x^-2
there are 800 seats in the varsity theater. during regular preformances, all seats cost $12 each. It costs the owner $275 to pay his preformers for each show. a