answersLogoWhite

0

To factorise this completely you need to be aware that 216 = 63.

(x3 + 216) = (x + 6)(x2 - 6x + 36)

User Avatar

Wiki User

15y ago

Still curious? Ask our experts.

Chat with our AI personalities

BlakeBlake
As your older brother, I've been where you are—maybe not exactly, but close enough.
Chat with Blake
LaoLao
The path is yours to walk; I am only here to hold up a mirror.
Chat with Lao
RafaRafa
There's no fun in playing it safe. Why not try something a little unhinged?
Chat with Rafa
More answers

You need to find a pair of factors of the ( -27 ) that add up to the ( 6 ).

+9 and -3 will do it.

x2 + 6x - 27 = (x + 9) (x - 3)

User Avatar

Wiki User

12y ago
User Avatar

(x + 6)(x^2 - 6x + 36)

User Avatar

Wiki User

9y ago
User Avatar

6(x + 6)(x + 6)

User Avatar

Wiki User

9y ago
User Avatar

(x + 18)(x + 4)

User Avatar

Wiki User

12y ago
User Avatar

(6x + 1)(x + 1)

User Avatar

Wiki User

9y ago
User Avatar

6(x + 9)(x - 1)

User Avatar

Wiki User

9y ago
User Avatar

Add your answer:

Earn +20 pts
Q: How do you factor x2 plus 6x-27?
Write your answer...
Submit
Still have questions?
magnify glass
imp