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

37 000 000 000 000 in scientific notation

if x=3 and y=6, simplify: 3x-y(6x/5y-x)

I need help:(((((((((((

What is the answer I really need help

Model a hydrogen atom as a three-dimensional potential well with Uo = 0 in the region 0 < x a. 283 eV b. 339 eV c. 113 eV d. 226 eV

Help me Help me Help me Help me Help me Help me Help me Help me Help me Help me Help me Help me Help me Help me Help me Help me Help me Help me Help me Help me

Madeleine owes $36,000 to a private lender. The debt grows with 12% annual interest that compounds every week. How much will Madeleine owe in one year?

Can you u help me fine the definitions on number 1 or 2

Help please Please read each question and the options carefully, select the best response or write your short answer. 1. What name is given to this principle

What information does a dictionary provide? a location of the word in a larger text etymology of the word definitions, part of speech, and pronunciation of the