Question

no lo entiendo (x+3)³​

Answer 1

Respuesta:

(x+3)3

=(x+3)*(x+3)*(x+3)

=(x+3)(x2+6x+9)

=(x)(x2)+(x)(6x)+(x)(9)+(3)(x2)+(3)(6x)+(3)(9)

=x3+6x2+9x+3x2+18x+27

=x3+9x2+27x+27