Solve for x.

2x2+31x+15=0
Write each solution as an integer, proper fraction, or improper fraction in simplest form. If there are multiple solutions, separate them with commas.

We can factor the quadratic equation as (2x+1)(x+15)=0. Therefore, the solutions are x=-1/2 and x=-15.

Written as fractions in simplest form, the solutions are x=-1/2 and x=-15.