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anonymous
 5 years ago
I have been stuck on this question for like an hour z/(z^249) + 2/(z+7). Someone help please!!
anonymous
 5 years ago
I have been stuck on this question for like an hour z/(z^249) + 2/(z+7). Someone help please!!

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ok so what happens is this .... you take the fraction to the other side.. z/(z^249) = 2/(z+7) now you can factorize z^249 = (z+7)(z7) so we get z/(z+7)(z7) = 2/(z+7) now you multiply (z+7) on both sides so we get z/(z7) = 2 this ends up being ... z = 2(z7) z = 2z + 14 z+2z = 14 3z = 14 z = 14/3 so the final answer is z = 14/3

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ok, I think I got it!! Thank you so much!!

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0There is no equation, therefore you do not get an answer. You are adding two fractions, so you must get a common denominator. Z^2  49 factors into (z  7)(z + 7) The other denominator is (z+7) So both denominators need to be (z7)(z+7) so you need to multiply the second fraction by (z7)/(z7) So you have (2(z7))/(z+7)(z7) which is (2z  14)/(z + 7)(z  7) Now you have two fractions with a common denominator so you are ready to add. z/((z + 7)(z  7) + (2z  14)/(z + 7)(z  7) = (3z  14)/((z + 7)(z  7)
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