The following problem involves some factoring by grouping. Remember, before you can divide out factors common to the numerator and denominator of a product, you must factor completely. 
Definitions:
Q42: Solve the equation. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8671/.jpg" alt="Solve the
Q53: Solve the following equation. Be sure to
Q99: Solve the equation by using the quadratic
Q117: Perform the indicated operation. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8671/.jpg" alt="Perform
Q118: To train for the running of a
Q141: Combine the complex number. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8671/.jpg" alt="Combine
Q141: Perform the indicated operation. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8671/.jpg" alt="Perform
Q162: Factor the problem completely. First, factor out
Q196: One plane can travel 30 miles per
Q198: Solve the following proportion. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8671/.jpg" alt="Solve