SOLUTION: How do you COMPLETELY FACTOR: x^2 + 10x + 21? whats the factored answer?

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Question 160325: How do you COMPLETELY FACTOR: x^2 + 10x + 21? whats the factored answer?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x^2+10x+21
(x+7)(x+3) answer.