answersLogoWhite

0


Best Answer

x² + 3x - 1

= [ x² + 3x + (3/2)²] - 1 - (3/2)²

= (x + 3/2)² - 1 - (9/4)

= (x + 3/2)² - (13/4)

if you are still confused, i want you to follow the related link that explains the concept of completing the square clearly.

User Avatar

Wiki User

15y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Solve x squared plus 3x minus 1 by completing the square?
Write your answer...
Submit
Still have questions?
magnify glass
imp