Empty sym: 0-by-1

Im very new to Matlab, than please, can anybody help/

This is the part of the code

syms x1;
  solve(x.^2+4*sin(x)==0,x1)

and this is ans

ans =
Empty sym: 0-by-1

What can i fo to fix it?

(The solutions of this equation are:0 and smthng abot -1.93)

[Max Insect]

LOL. ama n idiot. the problem was in x and x1. now the qstn is how to display the second solution? (i have zero, need th -1.93)

Answer 1

[DEEPAK SHARMA]

vpasolve(x^2+4*sin(x)==0,x, [-2 -1])
ans =
 
-1.9337537628270212533084756690907

[Max Insect]

deep thx))