A community for students. Sign up today!
Here's the question you clicked on:
 0 viewing
 2 years ago
Factor 5a^3 + 15a^2 – 6a – 18
(a2 – 6)(5a + 3)
(5a2 – 3)(a + 6)
(5a2 – 6)(a + 3)
(a2 + 6)(5a – 3)
 2 years ago
Factor 5a^3 + 15a^2 – 6a – 18 (a2 – 6)(5a + 3) (5a2 – 3)(a + 6) (5a2 – 6)(a + 3) (a2 + 6)(5a – 3)

This Question is Closed

motorcrossteamD21
 2 years ago
Best ResponseYou've already chosen the best response.0The stuff on the bottom is the choices for the answer. I need help on getting the answer, with someone factoring the problem.

bbnl1990
 2 years ago
Best ResponseYou've already chosen the best response.2it's the 3rd one. Notice that it's the only one that will produce a (6a) term. :)

motorcrossteamD21
 2 years ago
Best ResponseYou've already chosen the best response.0Thank you:) Can you help with these other ones please? 18. The area of a rectangular barnyard is given by the trinomial 6x2 + 7x – 20. What are the possible dimensions of the barnyard? Use factoring. 2x – 5 and 3x + 4 –2x + 5 and –3x + 4 2x + 5 and 3x – 4 2x – 5 and 3x – 4 19. The area of a rectangular pool is given by the trinomial 2y2 + y – 3. What are the possible dimensions of the pool? Use factoring. (–y – 1) and (–2y – 3) (y – 1) and (2y + 3) (2y – 1) and (2y + 3) (2y + 1) and (y – 3) 20. A carpenter is putting a skylight in a roof. If the roof measures 10x + 9 by 7x + 7 and the skylight measures x + 5 by 3x + 3, what is the area of the remaining roof after the skylight is built? 67x2 + 115x + 48 73x2 + 151x + 78 70x2 + 133x + 63 3x2 + 18x + 15

bbnl1990
 2 years ago
Best ResponseYou've already chosen the best response.2LOL. Alright im in the mood haha 18. c 19. b 20. you can do it!

motorcrossteamD21
 2 years ago
Best ResponseYou've already chosen the best response.0Is it, c? Cause thats what I got when I worked it out.

bbnl1990
 2 years ago
Best ResponseYou've already chosen the best response.2nope. the roof will will u a 70x^2 term, the skyline will give you a 3x^2 term, subtracting...

bbnl1990
 2 years ago
Best ResponseYou've already chosen the best response.2nope. its a. its Area(roof)Area(skyline)

motorcrossteamD21
 2 years ago
Best ResponseYou've already chosen the best response.0OH! I was working the opposite I think. I have one more question I need help with. A refrigerator has a volume given by the trinomial y3 + y2 – 56y. What are the possible dimensions of the refrigerator? Use factoring. y, y + 8, and y – 7 y, y – 8, and y + 7 y + 7, y + 7, and y – 7 y + 8, –y + 8, and –y + 7

bbnl1990
 2 years ago
Best ResponseYou've already chosen the best response.2a. just a wild educated guess haha

motorcrossteamD21
 2 years ago
Best ResponseYou've already chosen the best response.0Thank you so much! I give you a medal:)
Ask your own question
Ask a QuestionFind 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.