Question

Escreva a forma fatorada de :

a)64-b²

b)4-a²b²

pfvrr preciso mto da ajuda de vcs! <3​​

Answer 1

Oie, tudo bom?

a)

$= 64 - b {}^{2}$

$= 8 {}^{2} - b {}^{2}$

$\boxed{ = (8 - b) \: . \: (8 + b)}$

b)

$= 4 - a {}^{2} b {}^{2}$

$= 2 {}^{2} - (ab) {}^{2}$

$\boxed{ = (2 - ab) \: . \: (2 + ab)}$

Att. NLE Top Shotta