+4473 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).
+4473 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).
