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factor 81t^8. +1

 Nov 17, 2020
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Sum of squares factoring:

A² + B² = (A + B + √(2AB)) (A + B − √(2AB))

 

(9t^4 +1+sqrt(18t^4) ) (9t^4+1-sqrt(18t^4))     maybe?    you can simplify the sqrt18t^4   to  3t2 sqrt2   if ya want...

 Nov 17, 2020

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