Question

Factorise
z^2−64z^2−64​

Answer 1

Step-by-step explanation:

z square-64z square - 64

-63 z square - 64

Answer 2

Step-by-step explanation:

as z^2 and 64z^2 are like terms you can simplify them and write as follows:

z^2-64z^2-64

= -63z^2-64