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 cause-effect?

A bottle filled with juice weighs 8 pounds. One morning George drank 2/3 of the juice in the filled bottle. The bottle and the remaining juice weighed 3 pounds.

A polar covenant bond is likely to form between two atoms that ________. a.) are similar in electronegativity b.) are of similar size c.) differ in electronega

suppose a 14-gram sample of iron is heated from 20.0°c to 25.0°c. the specific heat of iron is 0.11 cal/g°c. how much heat energy was absorbed by the iron?

The table shows the price for different numbers of pudding cups: Number of Pudding Cups Price (in dollars) 2 6 4

What is the definition of medical necessity?

What principle of government establishes a system in which state governments and the national government share power? a. federalism b. limited government c.

mary and her brother john collect foreign coins. mary has 3 times the number of coins that john has. together they have 180 foreign coins. find how many coins m

what is the name of the force that slows it down?.

What is one way the East India Company asserted its authority in India?