Answer:
Step-by-step explanation:
Use Identity a³ - b³ = (a -b)(a² +ab + b²)
[tex]z^{9} - d^{6}= z^{3*3} - d^{2*3} = (z^{3})^{3} - (d^{2})^{3}\\\\ = (z^{3} - d^{2})((z^{3})^{2} + z^{3}*d^{2}+(d^{2})^{2})\\\\= (z^{3} - d^{2}) (z^{6}+z^{3}d^{2}+d^{4})[/tex]
