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

is 0.1km greater than 10mm?
A total of 350 signatures is needed for a petition to be considered by the town legislature. If 125 signatures have already been obtained, what percentage of th
Which is greatest 895mm or 8,98mm?
What is the hardest rock to break with a hammer
a square has a perimeter of 28.what is the area?
Write an expression which solves for the radius of an object having a circumference of 46 feet.
What's the formula for a cylinder?
I need a sentence with the word classify
what is the next number 10,12,22,34,56,90...
What fraction of 1 gallon is 1 quart