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------------------------------------------------ What is the difference?


StartFraction x Over x squared minus 2 x minus 15 EndFraction minus StartFraction 4 Over x squared + 2 x minus 35 EndFraction

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Answer :

Answer:

[tex]\dfrac{x^2+3x-12}{(x+3)(x-5)(x+7)}[/tex]

Step-by-step explanation:

Factor the denominators, then use a common denominator to add the terms.

[tex]\dfrac{x}{x^2-2x-15} -\dfrac{4}{x^2+2x-35} =\dfrac{x(x+7)}{(x+3)(x-5)(x+7)}-\dfrac{4(x+3)}{(x+3)(x-5)(x+7)}\\\\=\dfrac{x^2+7x-4x-12}{(x+3)(x-5)(x+7)}=\boxed{\dfrac{x^2+3x-12}{(x+3)(x-5)(x+7)}}[/tex]

Answer:

D

Step-by-step explanation:

just so you dont have to read all that

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