A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 3 years ago
Find the sum of the roots of 2x^2 = 13x  15.
anonymous
 3 years ago
Find the sum of the roots of 2x^2 = 13x  15.

This Question is Closed

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.02x^213x+15=0 2x^215x+2x+15=0 x(2x15)+(2x+15)=0 (2x+15)(1x)=0 2x+15=0 or 1x=0 x=15/2 or x=1

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Im not sure that I answer your question

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0oh yes, thanks, I got that but then when I checked the answer, it was wrong.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0so is my answer corrcet?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0well, i got the same answer as you did but when i tried to CHECK the answer, it wasn't right.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.02x^210x3x+15=0 2x(x5)3(x5)=0 (2x3)(x5)=0 x=3/2 or x=5

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0why did you separate them like that though?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0the corrct answer after put #in to check x=5

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0just easy for me to see
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.