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avatar+1307 

Completely factor the following expression: \[(9x^5+25x^3-4)-(x^5-3x^3-4).\]

 Jun 30, 2015

Best Answer 

 #1
avatar+94619 
+5

(9x^5 + 25x^3 - 4) - (x^5 - 3x^3 - 4)  =

 

8x^5 + 28x^3   =

 

4x^3 (2x^2 + 7)

 

 

 Jun 30, 2015
 #1
avatar+94619 
+5
Best Answer

(9x^5 + 25x^3 - 4) - (x^5 - 3x^3 - 4)  =

 

8x^5 + 28x^3   =

 

4x^3 (2x^2 + 7)

 

 

CPhill Jun 30, 2015

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