pattersonkari
pattersonkari pattersonkari
  • 26-01-2022
  • Mathematics
contestada

Which expression is equivalent to 9n^2-25?
A. (3n-5)^2
B. (3n+5)(3n-5)
C. 9(n-4)^2
D. 9(n+4)(n-4)

Respuesta :

jimthompson5910 jimthompson5910
  • 26-01-2022

Answer:  B. (3n+5)(3n-5)

Explanation:

Apply the difference of squares rule

a^2 - b^2 = (a+b)(a-b)

In this case you'll use a = 3n and b = 5.

Answer Link

Otras preguntas

5 Special Plant Adaptations that you know: PLEASE HELP THIS IS OVERDUE!!
On her way to school Tuesday morning, Ana got soaking wet during a surprise rainstorm. She was not carrying an umbrella or rain jacket because the climate in he
When light travels from air into water which is more dense than the air , it’s speed is lower. So the light wave will .... A.bend towards the normal to the surf
What do employers seek when they are looking for groupings of collective skills and knowledge?
What is one problem of manufacturing in the western states? education population distance resources
Please solve for angle X
calculate the kinetic energy of a motorcycle mass 60kg travelling at a velocity of 40km/h.​
Combine the like terms
What gruesome item does one of the witches keep as a charm?
I NEED THIS QUICK How might changes in a watershed’s biotic and abiotic factors affect human activities?