titi6468p36k17 titi6468p36k17
  • 11-03-2019
  • Mathematics
contestada

What is the expression 4x^2 - 25 is equivalent to

Respuesta :

gmany
gmany gmany
  • 17-03-2019

Answer:

[tex]\large\boxed{4x^2-25=(2x-5)(2x+5)}[/tex]

Step-by-step explanation:

[tex]a^2-b^2=(a-b)(a+b)\\\\4x^2-25=2^2x^2-5^2\qquad\text{use}\ (ab)^n=a^nb^n\\\\=(2x)^2-5^2=(2x-5)(2x+5)[/tex]

Answer Link

Otras preguntas

a shoe store sold 8 pairs of shoes for a total of $256. each pair cost the same amount what was the price of each pair of shoes?
6.88 written as a percent
An inference _______. a. is a possible explanation for events using prior knowledge b. explains if a hypothesis is or is not valid c. is made independent of obs
What are the reasons for not increase in height
what is 6/18 in simplest form
What kind of substance aquatic birds use to coat their feathers?
Which word in the sentence is a predicate nominative? Franklin d. Roosevelt was the only president of the United States to serve three terms. a. president b. on
10 gallons divided by 17 people
If two objects at different temperatures are in contact with each other, what happens to their temperatures?
Dark spots on the photosphere are known as A. solar wind. B. the chromosphere. C. the corona. D. sunspots.