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

Paige moves 1/6 acre in 1/4 hour. how many acres does Paige mow per hour? Show work

If I have 24 peas growing a garden and 6 of them are white, what would the percentage be? What would 6 be in percent of 24

how do index minerals help geologist

In _____, the Continental Congress approved a new plan of government called the Articles of Confederation. 1776 1789 1791 1777

Describe the function of each of the following protein synthesis: rRNA, mRNA, and tRNA

If a DNA polymerase recognizes a guanine nitrogenous base on the template strand, which nitrogenous base will it polymerize to the growing complementary strand

The Aztecs adapted to their environment mainly by

What did settlers receive under the Homestead Act and what did they have to do?

Relate the movement of continental glaciers to why they cover Antarctica and most of Greenland.

Write an equation with the solution x=25.The equation should have the variable on both sides,a decimal coefficient on the left side,and a decimal anywhere on th