What expression is equivalent to

Answer:
25[tex]z^{4}[/tex] + 9z² + 4
Step-by-step explanation:
Using the rule of exponents
[tex]a^mb^n)^{p}[/tex] = [tex]a^{mp}[/tex][tex]b^{np}[/tex]
Given
[tex](5z^2+3z+2)^{2}[/tex]
= 5²[tex]z^{2(2)}[/tex] + 3²z² + 2²
= 25[tex]z^{4}[/tex] + 9z² + 4