04-07-2017
Mathematics

contestada

How do you factor 2r^2 + 5r +3

Respuesta :

apologiabiology apologiabiology

04-07-2017

magic and experience and trial and error
use ac method
2 times 3=6
what 2 numbers multiply to get 6 and add to get 5?, 2 and 3
split the middle number into those

2r²+2r+3r+3
group
(2r²+2r)+(3r+3)
factor
2r(r+1)+3(r+1)
undistribute
(r+1)(2r+3)

Answer Link

Otras preguntas

15/40 in lowest term I need it so bad now

the carpet Erin has chosen costs 2.50per square foot. how much will it cost her to carpet the floor? Area of composite figures

During which season in the Northern Hemisphere is the earth at its closest distance to the sun? A. winter B. spring C. summer D. autumn

opposite reciprocal slope lines or parallel or perpendicular

Why doesn't Odysseus clasp Nausicaa's knees?

You are going to roll two dice. Let the variable x = the sum of the numbers rolled. What is the probability that x = 9 ?

I need help with this one. President Roosevelt called December 7, 1941, “a date which will live in infamy.” Which of these definitions is the best meaning of th

3. Brandy is writing a research paper on ways to clean up oil spills in the ocean. Her thesis is that using a substance like hay or human hair would be most eff

Which statement describes the relationship between the rulers of Europe and the Catholic Church during the Crusades? European rulers contributed military leader

Please help I have a test with 16 more questions! Which statement accurately describes an event or belief that led to the First Crusade? A. Islamic libraries de