SOLUTION: Hi! I'm needing some help checking to see if I factored the polynomial correctly, if possible. x^4-x^4y^4 thanks!

SOLUTION: Hi! I'm needing some help checking to see if I factored the polynomial correctly, if possible. x^4-x^4y^4 thanks!

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Question 184901: Hi!
I'm needing some help checking to see if I factored the polynomial correctly, if possible.
x^4-x^4y^4
thanks!

Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
x^4-x^4y^4
=x^4(1-y^4)
=x^4(1+y^2)(1-y^2)
=x^4(1+y^2)(1+y)(1-y) or -x^4(y^2+1)(y+1)(y-1)
.
Ed
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