Question

Factorizar
$25 {x}^{2} {y}^{4} - 121$
$343 {x}^{3} - 512 {y}^{6}$​

Answer 1

2 2
1) respuesta: 5xy - 11) x (5xy + 11)
2 2 2 4
2) (7x-8y ) x (49x +56xy +64y )