A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 5 years ago
Factor x3 + 2x2 + 5x + 10
anonymous
 5 years ago
Factor x3 + 2x2 + 5x + 10

This Question is Closed

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0well this ones tricker, you have to do more of a trial and error to break apart the "^3" cubic part.

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0we can increase our odds by taking the factors of 10 as a pool of numbers to test. 1,10; 2,5 I use synthetic division to test it becasue its just less clutter

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0lets try x = 1: 1 1 2 5 10 0 1 1 4  1 1 4 6 < not a zero, not a factor

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0x = 2 maybe? 2 1 2 5 10 0 2 0 10  1 0 5 0 < zero!! we have a winner..

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0opps...silly superhero.... (x+2) (x^2+5)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Try factoring by grouping. x^3 + 2x^2 + 5x + 10 x^2(x+2)+5(x+2) (x^2+5)(x+2)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0hey grouping does work with this one.... that was cool ;)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0of course its not as brainiacal as mine...but you know ;)
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.