answersLogoWhite

0


Best Answer

x2 + 10x + 21 = (x + 3)(x + 7)

User Avatar

Wiki User

14y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is X2 plus 10x plus 21 equals?
Write your answer...
Submit
Still have questions?
magnify glass
imp