Solve the following equation by completing the square: $\displaystyle {4}{k}^{{2}}-{3}{k}-{6}={0}$ .

Enter your answer in the form $\displaystyle \frac{{{m}\pm\sqrt{{{n}}}}}{{p}}$ .

$\displaystyle {k}$ = Preview Question 6  

Entry Tip: To enter $\displaystyle \frac{{{4}\pm\sqrt{{{7}}}}}{{3}}$  type "(4+-sqrt(7))/3". Use the preview button to make sure you are entering the answer properly.