Sunday

November 23, 2014

November 23, 2014

Posted by **Jojo** on Wednesday, May 23, 2007 at 9:55am.

(x^2)/(x^2-25)+(7x+10)/(x^2-25)

They have a common denominator:

x^2-25 which can factor to (x+5)(x-5)

The numerator will add to

x^2+7x +10 which can factor to

(x+5)(x+2)

Notice the numerator and denominator have a common factor which will divid out.

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