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

I need help with this please no links you will be reported the same person who has answered has been giving me links and i really need help this isnt useful to

PLEASE HELP which statements can be used to describe an angle? consisting of two lines that cross a part of a line having two end points has a common endpoint

2. When did the Supreme Court make Jim Crow laws

A map has a scale of 3 in. = 8 mi. If you measured the distance between two cities to be 16 in. on the map, how many miles would it actually be?

9. Write an equation perpendicular to y = 2x + 6 that passes through the point (8,4).

PLEASE HELP ME!!!!! 20 POINTS!!!!! Part D: Create an outline to organize your paper. Write the outline for your paper in the space provided. A written account

New ideas from the 1400s (15th Century) through the 1600s (17th Century) changed the way people live?

HELP I REALLY NEED HELP The following is an incomplete paragraph proving that ∠WRS ≅ ∠VQT, given the information in the figure where segment UV is parallel to s

-6+x/4=-5 solve and show steps

If a current of 5A flows for 2 minutes, find the quantity of electricity transferred.