Question 1099606
Multiply by {{{((1/4)/(1/4))}}}.


Now it becomes  {{{(8x^3-10x^2-19x-6)/(2x+1)}}}.



Just do the polynomial division:
<pre>
       ___________________________________________
2x+1   |    8x^3     -10x^2     -19x     -6
       |  
       |
</pre>
Do the necessary process.