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How many terms are in the expansion of the expression \([(3x+2y)^2(3x-2y)^2]^3\) after it is simplified to lowest terms?

 Feb 20, 2020

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Expand    [(3x+2y)^2(3x-2y)^2]^3

 

531441 x^12 - 1417176 x^10 y^2 + 1574640 x^8 y^4 - 933120 x^6 y^6 + 311040 x^4 y^8 - 55296 x^2 y^10 + 4096 y^12  (7 TERMS).
 

 Feb 20, 2020
 #1
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+1
Best Answer

Expand    [(3x+2y)^2(3x-2y)^2]^3

 

531441 x^12 - 1417176 x^10 y^2 + 1574640 x^8 y^4 - 933120 x^6 y^6 + 311040 x^4 y^8 - 55296 x^2 y^10 + 4096 y^12  (7 TERMS).
 

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