answersLogoWhite

0

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

You need to find 2 numbers which sum to 10 and whose product of 21.

In this case 3 + 7 = 10 and 3 x 7 = 21.

User Avatar

Wiki User

14y ago

Still curious? Ask our experts.

Chat with our AI personalities

BeauBeau
You're doing better than you think!
Chat with Beau
RossRoss
Every question is just a happy little opportunity.
Chat with Ross
JudyJudy
Simplicity is my specialty.
Chat with Judy

Add your answer:

Earn +20 pts
Q: What is the factorization of x2 plus 10x plus 21?
Write your answer...
Submit
Still have questions?
magnify glass
imp