Resposta :
a) (x – a)² – (x + a)²
(x²-2.x.a+a²)-(x²+2.x.a+a²)
(x²-2ax+a²)-(x²+2ax+a²)
x²-x²-2ax-2ax+a²-a²
-4ax
b) (6x⁵ – 1/3)²
(6x⁵)²-2.6x⁵.1/3+1/3²
36x¹⁰-4x⁵+1/9
❤️❤️ Boa Semana
12/09

a) (x – a)² – (x + a)²
(x²-2.x.a+a²)-(x²+2.x.a+a²)
(x²-2ax+a²)-(x²+2ax+a²)
x²-x²-2ax-2ax+a²-a²
-4ax
b) (6x⁵ – 1/3)²
(6x⁵)²-2.6x⁵.1/3+1/3²
36x¹⁰-4x⁵+1/9
12/09