5z^8/3+4z^5/3-12z^2/3=0

2 answers

The instructions say solve the following equation by factoring. If need be submit the answer by fraction reduced to lowest terms
factor out z^2/3:

z^2/3 (5z^2 + 4z - 12) = 0
z^2/3 (5z-6)(z+2) = 0

That should help