SOLUTION: Factor completely. 25y^4 - 36

Algebra.Com
Question 283378: Factor completely.
25y^4 - 36

Answer by nerdybill(7384)   (Show Source): You can put this solution on YOUR website!
It is a "difference of squares" since
25y^4 - 36
can be written as:
(5y^2)^2 - (6)^2
.
we can factor as:
(5y-6)(5y+6)

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