SOLUTION: please divide r + 5 / r2 + 5r -14 by r2 + 4r - 21 /2

SOLUTION: please divide r + 5 / r2 + 5r -14 by r2 + 4r - 21 /2 - 2 thank you!!

Question 7261: please divide r + 5 / r2 + 5r -14 by r2 + 4r - 21 /2 - 2
thank you!!
Answer by bonster(299) (Show Source): You can put this solution on YOUR website!
Is your problem: /
or is your problem: /

Assuming that your problem is /,
Change it from division to multiplication:
*

Factorize
*

(r+7) cancels out

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