Question

(3m+2n)(9m²-6mn+4n²)=​

Answer 1

Respuesta:

27m3+8n3

Explicación:

(3m+2n)(9m2−6mn+4n2)

=(3m+2n)(9m2+−6mn+4n2)

=(3m)(9m2)+(3m)(−6mn)+(3m)(4n2)+(2n)(9m2)+(2n)(−6mn)+(2n)(4n2)

=27m3−18m2n+12mn2+18m2n−12mn2+8n3

=27m3+8n3