In order to understand how to solve this problem from Concept 6, the viewer must pay special attention to the steps taken when decomposing the fraction. Note that the powers increase for each repeated factor. Another thing that the viewer should focus on is the combining of the rows of the system. This action allows us to use the processes of elimination and substitution in order to obtain the answers for the variables. One last thing that should be recognized is the checking of the answers using the Reduced-Row Echelon Form (RREF) feature on a graphing calculator.
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