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

Connection to WORLD: What did this selection make you think of? **Movie/Song/Book/Meme/Image/Video/Story that relates and connects to this selection or unit?
An event that could influence the change in supply and demand is a sale natural disaster new product none of the above
Lines L and M are perpendicular. A point Q has this property: rotating Q 180 degrees using the center P has the same effect as reflecting Q over line M
Which of the following natural processes will NOT directly result in the formation of sedimentary rock? A. River flow B. Windstorm C. Metamorphic change D. Glac
All of the following are ways that African Americans were disenfranchised (on voting rights were restricted) except: * A. poll taxesB. literacy testC. grandfath
what do you do first when using the formula​
What was important about the location of the Alamo? a. It was the location of the most flourishing town in Texas at the time. b. It was located on a river that
How do you do these two questions?
2x + 3y = -1 3x + 4y = -4
Which statement describes a sound reason to support a claim?(1 point) Sound reasons are full of emotion. Sound reasons use fancy language. Sound reasons are gro