Can you do Test 5 number 19 from the no calculator section?

Sure. This is one of those questions that looks worse than it is. All you really need to do is get a common denominator and simplify the given expression. Here’s what you’re starting with:


All you need to do to have a common denominator is multiply the fraction on the right by \dfrac{x+2}{x+2}!


So there you have it, the a in \dfrac{a}{(x+2)^2} is 2.

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