Respuesta :
25x^4-16y^2 is the difference of 2 squares: (5x^2)^2 - (4y)^2
Recall that a^2 - b^2 = (a-b)(a+b).
Here, (5x^2 - 2y)(5x^2 + 2y) (answer)
Recall that a^2 - b^2 = (a-b)(a+b).
Here, (5x^2 - 2y)(5x^2 + 2y) (answer)