5y^8-125 *you have to factor completley easy. Take out the five: 5(y^8-25) Now, isnt y 8 the same as y 4 ) 2 ? That is a square, so you have that y 4 squared minus another perfect square? That factor as the difference of two squares. After doing that, you may have another difference of squares to factor. So would it be 5(y^2-5)

5y^8-125

*you have to factor completley

easy. Take out the five:
5(y^8-25)

Now, isnt y⁸ the same as y⁴ )² ? That is a square, so you have that y⁴ squared minus another perfect square? That factor as the difference of two squares. After doing that, you may have another difference of squares to factor.

So would it be 5(y^2-5)

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