Question

(x+2)³ desenvolva o cubo da soma de dois termos

Answer 1

(x+2)³=
(x+2)*(x+2)*(x+2)=
(x²+2x+2x+4)*(x+2)=
(x²+4x+4)*(x+2)=
x³+2x²+4x²+8x+4x+8=
x³+6x²+12x+8

R: x³+6x²+12x+8

Answer 2

(x+2)²
(x+2)(x+2)(x+2)=
(x+2)(x²+4x+4)=
x³+6x²+12x+8