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factor the polynomial 25y4 - 4x4

 Oct 3, 2014

Best Answer 

 #1
avatar+4473 
+8

25y^4 - 4x^4

 

Note that we can see this in the format a^2 - b^2

a^2 = 25y^4 --> a = sqrt(25y^4) = 5y^2

b^2 = 4x^4 --> b = sqrt(4x^4) = 2x^2

 

(5y^2 + 2x^2)(5y^2 - 2x^2).

 Oct 3, 2014
 #1
avatar+4473 
+8
Best Answer

25y^4 - 4x^4

 

Note that we can see this in the format a^2 - b^2

a^2 = 25y^4 --> a = sqrt(25y^4) = 5y^2

b^2 = 4x^4 --> b = sqrt(4x^4) = 2x^2

 

(5y^2 + 2x^2)(5y^2 - 2x^2).

AzizHusain Oct 3, 2014

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