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 :

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 public policy? Why is citizen action important in public policy?

Which of the following is the surface area of the right cylinder below radius 7 height 2 A)87pi unit^2 B)174pi unit^2 C)294pi unit^2 D) 126oi unit^2

I need chemistry help! How would I set up these problems?

Newton's third law says that for every force there is an equal reaction force in the opposite direction. what does this imply about the force of gravity associa

What is elastic rebound? A.the snapping of rocks into a new position after an earthquake B.the movement of rocks back and forth from their pre-earthquake

( a. True b. False) a biogeochemical cycle is a process by which a chemical substance moves through both the biosphere and the lithosphere, atmosphere, and hyd

I need help plzzzzzz

Find the measure of angle x in the figure below: 35° 47° 73° 78°

In Homeotherapy, which is better for treating pain/menstrual/back pain/IBS, the natural remedy of Cocculus or Cimicifuga Racemosa? (Both are natural remedies;

Britain passed the Navigation Acts to a)encourage world exploration. b)crack down on smugglers. c)support free trade in the colonies. d)regulate colonial trade