Question

como resolver essa fatoração ​

Answer 1

x²y² - 16a²b² =

(xy)² - (4ab)² =

(xy - 4ab) . (xy + 4ab)

Answer 2

Resposta:

$x {}^{2} y {}^{2} - 16a {}^{2} b {}^{2}$

$(xy) {}^{2} - 4 {}^{2} a {}^{2} b {}^{2}$

$(xy) {}^{2} - (4ab) {}^{2}$

$(xy - 4ab).(xy + 4ab)$