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

True or False? The line "Fainting I follow, I leave off therefore" contains both a caesura and alliteration.

how do I solve this 2(4x^3+9m+3x^2)

Which of the following is not a result of heavy use of irrigation water? A. Leaching of nutrients B. Increase in salt concentration of the soil C. Increase in s

a florist sold bouquets of red roses to 15 of the first 20 customers who came into his shop. What is the experimental probability how many bouquets of red roses

(4x-2)*6(2x+7) in standard form

Saint Patrick’s accomplishments in Ireland are known because __________.

AP US History question: The ability and the willingness the Framers had for compromise was reflected in the creation of a constitution that successfully address

2x+y=20 6x-5y=12 substitution

Why can't our body resist radiation?

solve for y by using elimination -4x + 8y = 10 7x + 9y = 19