Respuesta :

Answer:

1)−3(12x^5−49)

2)20a^3(7a+9)  

3)9(21x^9+16)

4)9m^4(2+3m^2)

5)5x^2(5x^2+3x−4)

i hope this helps can mark me as brainlest?


Step-by-step explanation:


Q&A Education