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Factor -x2y2 + x4 + 9y2 - 9x2
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Asked 6/22/2011 9:55:37 AM
Updated 6/11/2014 12:39:37 AM
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User: Factor -x2y2 + x4 + 9y2 - 9x2

Weegy: (-4 + x^2) (x^2 - y^2). Please rate the answer.
Expert answered|rebekah_scott|Points 100|

User: Factor 360t + 10t3 - 120t2.

Question|Rated good
Asked 6/22/2011 9:55:37 AM
Updated 6/11/2014 12:39:37 AM
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-x^2y^2 + x^4 + 9y^2 - 9x^2
= x^2(x^2 - y^2) - 9(x^2 - y^2)
= (x^2 - y^2)(x^2 - 9)
= (x + y)(x - y)(x + 3)(x - 3)
Added 6/11/2014 12:38:44 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [6/11/2014 12:55:28 AM]
3
360t + 10t^3 - 120t^2
= 10t(36 + t^2 - 12t)
= 10t(t - 6)^2
Added 6/11/2014 12:39:37 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [6/11/2014 12:55:52 AM]
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