Question

Divide z(5z2 - 80) by 5z(z+4)​

Answer 1

Answer:

4

Step-by-step explanation:

z(5z^2−80)  / 5z(z+4)

= 5z^3−80z  / 5z^2+20z

=  5z^2−80  / 5z+20

=  z2−16  / z+4

=  (z+4)(z−4)  / z+4

=z−4

Hope it helps

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