answersLogoWhite

0


Best Answer

That doesn't factor neatly. Applying the quadratic formula, we find two imaginary solutions: -2 plus or minus i times the square root of 17.

x = -2 + 4.123105625617661i

x = -2 - 4.123105625617661i

where i is the square root of negative one.

User Avatar

Wiki User

โˆ™ 9y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

โˆ™ 9y ago

It factors as: (6x-1)(6x+1)

This answer is:
User Avatar

User Avatar

Wiki User

โˆ™ 13y ago

There are no rational factors.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How do you factor d squared plus 4d plus 21?
Write your answer...
Submit
Still have questions?
magnify glass
imp