Respuesta :
Answer:
d^3+d^2+12d+18
Step-by-step explanation:
d^2+6d+9+d^3+6d+9
group like terms
d^2+d^3+(6d+6d)+(9+9)
bring to standard form
d^3+d^2+12d+18
Answer:
d^3+d^2+12d+18
Step-by-step explanation:
d^2+6d+9+d^3+6d+9
group like terms
d^2+d^3+(6d+6d)+(9+9)
bring to standard form
d^3+d^2+12d+18