Answer:
5 y (2 y^4 + 6 y^2 - 3)
Explanation:
The given input is 10y^5+30y^3-15y
10y^5+30y^3-15y has factors i.e 5 y (2 y^4 + 6 y^2 - 3)
By verifying each polynomial factor we get the GCF i.e common factor of the polynomial is 5 y (2 y^4 + 6 y^2 - 3) and simplified as 10 y^5 + 30 y^3 - 15 y