Question

Al factorizar 225x2−289y2 se obtiene: (15x17y)(15x+17y) (15x−17y)(15x+17y) (15x+17y)(15x+17y) (15x−17y)2

Answer 1

Es diferencia de cuadrados:
$225 {x}^{2} - 289 {y}^{2} = \\ {(15x)}^{2} - {(17y)}^{2} = \\ (15x - 17y)(15x + 17y)$