20%2B%208%20is%20x-a%20then%20the%20value%20of%20a%20is%3F%5C%5C" id="TexFormula1" title="If one factor of the expression x^{4} - ax^{3} + 5x - a + 8 is x-a then the value of a is?\\" alt="If one factor of the expression x^{4} - ax^{3} + 5x - a + 8 is x-a then the value of a is?\\" align="absmiddle" class="latex-formula">
