thebest39953 thebest39953

19-12-2019
Mathematics

contestada

Factor completely. x^2-4

Respuesta :

PollyP52 PollyP52

19-12-2019

Answer:

(x - 2)(x + 2).

Step-by-step explanation:

This is the difference of 2 squares:

a^2 - b^2 = (a - b)(a + b)

So

x^2 - 4 = (x - 2)(x + 2).

Answer Link

Otras preguntas

Plants and algae most recently shared a common ancestor 480 million years ago, and plants colonized land shortly after that. Light, water, minerals, and dissolv

The weekly salary paid to employees of a small company that supplies part-time laborers averages $750 with a standard deviation of $450. (a) If the weekly s

Raphael graphed the functions g(x)=x+2 and f(x)=x−1. How many units below the y-intercept of g(x) is the y-intercept of f(x)? A coordinate plane with 2 lines dr

What is the initial value of the function represented by this table? (5 points)

Jacka and Jill are 28 miles apart on the same path. If Jack skateboards 4 miles per hour, and Jill bikes 6 miles per hour, How long will it take them to meet?

13. Which of the following describes the climate in much of southern Europe? a.warm, dry summers and mild, wet winters b. warm, wet summers and mild, dry winter

Infancy Group of answer choices is also called the "neonatal period." A. runs from three to seven years, generally postweaning. B. includes three months befor

If you are driving at the speed limit and another driver sounds his horn and starts to pass, you should - a) Slow down and allow him to pass b) Refuse to give w

A 35-kg girl is standing near and to the left of a 43-kg boy on the frictionless surface of a frozen pond. The boy throws a 0.75-kg ice ball to the girl with a

Which of the following principles is NOT part of the Constitution? Correct: 0 Incorrect: 0 Skip: 0 Find Glossary Tag O A confederalism C separation of powers B