help. please. I really need help if its correct i would be happy

Answer:
[tex]-22\frac{1}{3}[/tex]
Step-by-step explanation:
[tex]a=\frac{1}{3} , b = -10, c = -3[/tex]
change [tex]b^{2} - 9a^{2} + c[/tex] to
[tex]-10 -9\frac{1}{3} + (-3)[/tex]
=
[tex]-22\frac{1}{3}[/tex]