Reduce the following rational expression to lowest terms, if possible. 
Definitions:
Q91: If <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8806/.jpg" alt="If is
Q116: Perform the indicated operation. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8806/.jpg" alt="Perform
Q138: Factor. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8806/.jpg" alt="Factor. " class="answers-bank-image
Q170: Use property 2 of the radicals to
Q197: Factor the expression by taking out the
Q209: Solve the following equation. Be sure to
Q218: Divide. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8806/.jpg" alt="Divide. " class="answers-bank-image
Q263: One number is 4 times another. Their
Q265: Simplify the complex fraction. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8806/.jpg" alt="Simplify
Q300: Simplify. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8806/.jpg" alt="Simplify. " class="answers-bank-image