NFTrell NFTrell
  • 02-03-2021
  • Mathematics
contestada

Factor completely: x2-4

Respuesta :

hdsnlive
hdsnlive hdsnlive
  • 02-03-2021

Answer:

(x+2)(x-2)

Step-by-step explanation

x times x equals x^2, 2 times x equals 2x, -2 times x equals -2x, and 2 times -2 equals -4. If you add that up, the x-values cancel out, leaving the x^2 and the -4. (This explanation is working it backwards which is the easiest way IMO)

Answer Link

Otras preguntas

A.) write an equation in slope intercept form for the total cost of any number of tickets at 7 tickets for $5. b.) Write an equation in slope-intercept form for
2/6 in its simplest form
A story using french language
The cotton gin and the sewing machine both contributed to the growth of which industry?
Why 4/10 is equivalent 4/100
can you convert 300 grams to ounces
Which of the following are true of Paris? Select all that apply. He survived an early attempt on his life. He was raised by a servant and became a shepherd. He
Which is one of the six fundamental elements that are found in living organisms?
overproduction and underconsumption factored into causing the Great Depression by
After 30 baseball games, A Rod had 25 hits . If after 100 games he had 80 hits, what is the average hits per baseball game.