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

List the six aspects of wellness discussed in class.
The modern United Kingdom and France, by virtue of most government power being held by the central, national government, are best described as having which form
write a measurement division story problem for 6 divided by 3/4
The element chlorine is represented by the symbol ____. (Capitalization is important.)
Edmundo used a number line to show the solution for the inequality |2x-6|<4 Which number line shows the solution? HURRY PLEASE
Is lead a mixture or pure substance? and is Paint a mixture or pure substance?
Find an equation of best fit parallel to y=2x+3 and passes (3,2) SHOW ALL WORK TO GET CREDIT. Whoever has it correct and has the most work, I'll mark bra
Is it possible for a linear function and an exponential funtion to have the indicated number of intersection?
a person who drives under the influence of alcohol or drugs
In a theater, there are 4 long rows of chairs, each with an equal number of chairs. There are 5 short rows of chairs, each with an equal number of chairs. On a