Question

please ans this question ​

Answer 1

Step-by-step explanation:

$= > \frac{z(5 {z}^{2} - 80) }{5z(z + 4)} = 5( {z}^{2} - 16) \div 5(z + 4) \\ = > (z + 4)(z - 4) \div (z + 4) \\ = > z - 4$

z-4 is the answer of the question

3rd option

Answer 2

Answer:

Answer is attached here.