factor 81t^8. +1
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...
