ghxstpm
ghxstpm ghxstpm
  • 03-04-2018
  • Mathematics
contestada

select the expression that is equivalent to x^2-4

A.(x-2)^2

B.(x-2)(x+2)

C.x^2+2x+4

D.x^2-2x,4

Respuesta :

gmany
gmany gmany
  • 28-12-2018

[tex]x^2-4=x^2-2^2=(x-2)(x+2)\\\\Use\\\\(a-b)(a+b)=a^2-b^2\\\\Answer:\ \boxed{B.\ (x-2)(x+2)}[/tex]

Answer Link

Otras preguntas

what is a temperature scale used by scienctist?
an architect built a scale model of a shopping mall. On the model a circular fountain 20 inches tall and 22.5 inches in diameter. If the actual fountain is to
How do you heal an inflamed taste bud??
Which offered strong evidence of the existance of the Xia Dynasty?
How to write a research paper on registered nurses
what are the great lakes names
Find the pattern and use it to list the next two terms in the sequence. 3, -6, 18, -72, 360, -2,160,___,___.
which is the direct object in the sentence a loud noise frightened the children
why are places with Mediterranean climates popular vacation spots
I don't understand this