Question

Qual é a resposta dessa conta :( c + d ) ³?

Answer 1

= (c + d)³
= (c + d)².(c + d)
= (c² + 2cd + d²).(c + d)
= c².c + c².d + 2cd.c + 2cd.d + c.d² + d².d
= c³ + c²d + 2c²d + 2cd² + cd² + d³

= c³ + 3c²d + 3cd² + d³