SOLUTION: divide the following expression: (x^2+10x+21) / (x+7) A) x^2+3 B) x-2 C) x+5 D) x+3

SOLUTION: divide the following expression: (x^2+10x+21) / (x+7) A) x^2+3 B) x-2 C) x+5 D) x+3

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Question 145600: divide the following expression:
(x^2+10x+21) / (x+7)
A) x^2+3
B) x-2
C) x+5
D) x+3
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given expression.

Factor to get .

Highlight the common terms.

Cancel out the common terms.

Simplify.

So simplifies to .

In other words, where

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