ANSWER
The equivalent expression is
[tex]{q}^{2} + 7q + 2[/tex]
EXPLANATION
The given expression is:
[tex]5 {q}^{2} - \frac{2}{3} (6 {q}^{2} -6 q - 3) + 3q[/tex]
Expand the parenthesis;
[tex]5 {q}^{2} - 4 {q}^{2} + 4q + 2 + 3q[/tex]
Regroup similar terms
[tex]5 {q}^{2} - 4 {q}^{2} + 4q + 3q + 2[/tex]
Combine similar terms;
[tex] {q}^{2} + 7q + 2[/tex]